/*
   +----------------------------------------------------------------------+
   | Zend Engine                                                          |
   +----------------------------------------------------------------------+
   | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) |
   +----------------------------------------------------------------------+
   | This source file is subject to version 2.00 of the Zend license,     |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.zend.com/license/2_00.txt.                                |
   | If you did not receive a copy of the Zend license and are unable to  |
   | obtain it through the world-wide-web, please send a note to          |
   | license@zend.com so we can mail you a copy immediately.              |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@php.net>                                 |
   |          Zeev Suraski <zeev@php.net>                                 |
   |          Andrei Zmievski <andrei@php.net>                            |
   |          Dmitry Stogov <dmitry@php.net>                              |
   +----------------------------------------------------------------------+
*/

#include "zend.h"
#include "zend_execute.h"
#include "zend_API.h"
#include "zend_modules.h"
#include "zend_extensions.h"
#include "zend_constants.h"
#include "zend_interfaces.h"
#include "zend_exceptions.h"
#include "zend_closures.h"
#include "zend_inheritance.h"

#ifdef HAVE_STDARG_H
#include <stdarg.h>
#endif

/* these variables are true statics/globals, and have to be mutex'ed on every access */
ZEND_API HashTable module_registry;

static zend_module_entry **module_request_startup_handlers;
static zend_module_entry **module_request_shutdown_handlers;
static zend_module_entry **module_post_deactivate_handlers;

static zend_class_entry  **class_cleanup_handlers;

ZEND_API int _zend_get_parameters_array_ex(int param_count, zval *argument_array) /* {{{ */
{
   zval *param_ptr;
   int arg_count;

   param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
   arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));

   if (param_count>arg_count) {
      return FAILURE;
   }

   while (param_count-->0) {
      ZVAL_COPY_VALUE(argument_array, param_ptr);
      argument_array++;
      param_ptr++;
   }

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_copy_parameters_array(int param_count, zval *argument_array) /* {{{ */
{
   zval *param_ptr;
   int arg_count;

   param_ptr = ZEND_CALL_ARG(EG(current_execute_data), 1);
   arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));

   if (param_count>arg_count) {
      return FAILURE;
   }

   while (param_count-->0) {
      Z_TRY_ADDREF_P(param_ptr);
      zend_hash_next_index_insert_new(Z_ARRVAL_P(argument_array), param_ptr);
      param_ptr++;
   }

   return SUCCESS;
}
/* }}} */

ZEND_API ZEND_COLD void zend_wrong_param_count(void) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);

   zend_internal_argument_count_error(ZEND_ARG_USES_STRICT_TYPES(), "Wrong parameter count for %s%s%s()", class_name, space, get_active_function_name());
}
/* }}} */

/* Argument parsing API -- andrei */
ZEND_API char *zend_get_type_by_const(int type) /* {{{ */
{
   switch(type) {
      case IS_FALSE:
      case IS_TRUE:
      case _IS_BOOL:
         return "bool";
      case IS_LONG:
         return "int";
      case IS_DOUBLE:
         return "float";
      case IS_STRING:
         return "string";
      case IS_OBJECT:
         return "object";
      case IS_RESOURCE:
         return "resource";
      case IS_NULL:
         return "null";
      case IS_CALLABLE:
         return "callable";
      case IS_ITERABLE:
         return "iterable";
      case IS_ARRAY:
         return "array";
      case IS_VOID:
         return "void";
      case _IS_NUMBER:
         return "number";
      default:
         return "unknown";
   }
}
/* }}} */

ZEND_API char *zend_zval_type_name(const zval *arg) /* {{{ */
{
   ZVAL_DEREF(arg);
   return zend_get_type_by_const(Z_TYPE_P(arg));
}
/* }}} */

ZEND_API zend_string *zend_zval_get_type(const zval *arg) /* {{{ */
{
   switch (Z_TYPE_P(arg)) {
      case IS_NULL:
         return ZSTR_KNOWN(ZEND_STR_NULL);
      case IS_FALSE:
      case IS_TRUE:
         return ZSTR_KNOWN(ZEND_STR_BOOLEAN);
      case IS_LONG:
         return ZSTR_KNOWN(ZEND_STR_INTEGER);
      case IS_DOUBLE:
         return ZSTR_KNOWN(ZEND_STR_DOUBLE);
      case IS_STRING:
         return ZSTR_KNOWN(ZEND_STR_STRING);
      case IS_ARRAY:
         return ZSTR_KNOWN(ZEND_STR_ARRAY);
      case IS_OBJECT:
         return ZSTR_KNOWN(ZEND_STR_OBJECT);
      case IS_RESOURCE:
         if (zend_rsrc_list_get_rsrc_type(Z_RES_P(arg))) {
            return ZSTR_KNOWN(ZEND_STR_RESOURCE);
         } else {
            return ZSTR_KNOWN(ZEND_STR_CLOSED_RESOURCE);
         }
      default:
         return NULL;
   }
}
/* }}} */

ZEND_API ZEND_COLD int ZEND_FASTCALL zend_wrong_parameters_none_error(void) /* {{{ */
{
   int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
   zend_function *active_function = EG(current_execute_data)->func;
   const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";

   zend_internal_argument_count_error(
            ZEND_ARG_USES_STRICT_TYPES(),
            "%s%s%s() expects %s %d parameter%s, %d given",
            class_name, \
            class_name[0] ? "::" : "", \
            ZSTR_VAL(active_function->common.function_name),
            "exactly",
            0,
            "s",
            num_args);
   return FAILURE;
}
/* }}} */

ZEND_API ZEND_COLD int ZEND_FASTCALL zend_wrong_parameters_none_exception(void) /* {{{ */
{
   int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
   zend_function *active_function = EG(current_execute_data)->func;
   const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";

   zend_internal_argument_count_error(
            1,
            "%s%s%s() expects %s %d parameter%s, %d given",
            class_name, \
            class_name[0] ? "::" : "", \
            ZSTR_VAL(active_function->common.function_name),
            "exactly",
            0,
            "s",
            num_args);
   return FAILURE;
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameters_count_error(int min_num_args, int max_num_args) /* {{{ */
{
   int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
   zend_function *active_function = EG(current_execute_data)->func;
   const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";

   zend_internal_argument_count_error(
            ZEND_ARG_USES_STRICT_TYPES(),
            "%s%s%s() expects %s %d parameter%s, %d given",
            class_name, \
            class_name[0] ? "::" : "", \
            ZSTR_VAL(active_function->common.function_name),
            min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
            num_args < min_num_args ? min_num_args : max_num_args,
            (num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
            num_args);
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameters_count_exception(int min_num_args, int max_num_args) /* {{{ */
{
   int num_args = ZEND_CALL_NUM_ARGS(EG(current_execute_data));
   zend_function *active_function = EG(current_execute_data)->func;
   const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";

   zend_internal_argument_count_error(
            1,
            "%s%s%s() expects %s %d parameter%s, %d given",
            class_name, \
            class_name[0] ? "::" : "", \
            ZSTR_VAL(active_function->common.function_name),
            min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
            num_args < min_num_args ? min_num_args : max_num_args,
            (num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
            num_args);
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_type_error(int num, zend_expected_type expected_type, zval *arg) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);
   static const char * const expected_error[] = {
      Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR)
      NULL
   };

   zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be %s, %s given",
      class_name, space, get_active_function_name(), num, expected_error[expected_type], zend_zval_type_name(arg));
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_type_exception(int num, zend_expected_type expected_type, zval *arg) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);
   static const char * const expected_error[] = {
      Z_EXPECTED_TYPES(Z_EXPECTED_TYPE_STR)
      NULL
   };

   zend_internal_type_error(1, "%s%s%s() expects parameter %d to be %s, %s given",
      class_name, space, get_active_function_name(), num, expected_error[expected_type], zend_zval_type_name(arg));
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_error(int num, char *name, zval *arg) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);

   zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be %s, %s given",
      class_name, space, get_active_function_name(), num, name, zend_zval_type_name(arg));
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_parameter_class_exception(int num, char *name, zval *arg) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);

   zend_internal_type_error(1, "%s%s%s() expects parameter %d to be %s, %s given",
      class_name, space, get_active_function_name(), num, name, zend_zval_type_name(arg));
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_error(int num, char *error) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);

   zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a valid callback, %s",
      class_name, space, get_active_function_name(), num, error);
   efree(error);
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_exception(int num, char *error) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);

   zend_internal_type_error(1, "%s%s%s() expects parameter %d to be a valid callback, %s",
      class_name, space, get_active_function_name(), num, error);
   efree(error);
}
/* }}} */

ZEND_API ZEND_COLD void ZEND_FASTCALL zend_wrong_callback_deprecated(int num, char *error) /* {{{ */
{
   const char *space;
   const char *class_name = get_active_class_name(&space);

   zend_error(E_DEPRECATED, "%s%s%s() expects parameter %d to be a valid callback, %s",
      class_name, space, get_active_function_name(), num, error);
   efree(error);
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_class(zval *arg, zend_class_entry **pce, int num, int check_null) /* {{{ */
{
   zend_class_entry *ce_base = *pce;

   if (check_null && Z_TYPE_P(arg) == IS_NULL) {
      *pce = NULL;
      return 1;
   }
   convert_to_string_ex(arg);
   *pce = zend_lookup_class(Z_STR_P(arg));
   if (ce_base) {
      if ((!*pce || !instanceof_function(*pce, ce_base))) {
         const char *space;
         const char *class_name = get_active_class_name(&space);

         zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a class name derived from %s, '%s' given",
            class_name, space, get_active_function_name(), num,
            ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg));
         *pce = NULL;
         return 0;
      }
   }
   if (!*pce) {
      const char *space;
      const char *class_name = get_active_class_name(&space);

      zend_internal_type_error(ZEND_ARG_USES_STRICT_TYPES(), "%s%s%s() expects parameter %d to be a valid class name, '%s' given",
         class_name, space, get_active_function_name(), num,
         Z_STRVAL_P(arg));
      return 0;
   }
   return 1;
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_bool_weak(zval *arg, zend_bool *dest) /* {{{ */
{
   if (EXPECTED(Z_TYPE_P(arg) <= IS_STRING)) {
      *dest = zend_is_true(arg);
   } else {
      return 0;
   }
   return 1;
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_bool_slow(zval *arg, zend_bool *dest) /* {{{ */
{
   if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
      return 0;
   }
   return zend_parse_arg_bool_weak(arg, dest);
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_long_weak(zval *arg, zend_long *dest) /* {{{ */
{
   if (EXPECTED(Z_TYPE_P(arg) == IS_DOUBLE)) {
      if (UNEXPECTED(zend_isnan(Z_DVAL_P(arg)))) {
         return 0;
      }
      if (UNEXPECTED(!ZEND_DOUBLE_FITS_LONG(Z_DVAL_P(arg)))) {
         return 0;
      } else {
         *dest = zend_dval_to_lval(Z_DVAL_P(arg));
      }
   } else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
      double d;
      int type;

      if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), dest, &d)) != IS_LONG)) {
         if (EXPECTED(type != 0)) {
            if (UNEXPECTED(zend_isnan(d))) {
               return 0;
            }
            if (UNEXPECTED(!ZEND_DOUBLE_FITS_LONG(d))) {
               return 0;
            } else {
               *dest = zend_dval_to_lval(d);
            }
         } else {
            return 0;
         }
      }
   } else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
      *dest = 0;
   } else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
      *dest = 1;
   } else {
      return 0;
   }
   return 1;
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_long_slow(zval *arg, zend_long *dest) /* {{{ */
{
   if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
      return 0;
   }
   return zend_parse_arg_long_weak(arg, dest);
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_long_cap_weak(zval *arg, zend_long *dest) /* {{{ */
{
   if (EXPECTED(Z_TYPE_P(arg) == IS_DOUBLE)) {
      if (UNEXPECTED(zend_isnan(Z_DVAL_P(arg)))) {
         return 0;
      }
      *dest = zend_dval_to_lval_cap(Z_DVAL_P(arg));
   } else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
      double d;
      int type;

      if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), dest, &d)) != IS_LONG)) {
         if (EXPECTED(type != 0)) {
            if (UNEXPECTED(zend_isnan(d))) {
               return 0;
            }
            *dest = zend_dval_to_lval_cap(d);
         } else {
            return 0;
         }
      }
   } else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
      *dest = 0;
   } else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
      *dest = 1;
   } else {
      return 0;
   }
   return 1;
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_long_cap_slow(zval *arg, zend_long *dest) /* {{{ */
{
   if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
      return 0;
   }
   return zend_parse_arg_long_cap_weak(arg, dest);
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_double_weak(zval *arg, double *dest) /* {{{ */
{
   if (EXPECTED(Z_TYPE_P(arg) == IS_LONG)) {
      *dest = (double)Z_LVAL_P(arg);
   } else if (EXPECTED(Z_TYPE_P(arg) == IS_STRING)) {
      zend_long l;
      int type;

      if (UNEXPECTED((type = is_numeric_str_function(Z_STR_P(arg), &l, dest)) != IS_DOUBLE)) {
         if (EXPECTED(type != 0)) {
            *dest = (double)(l);
         } else {
            return 0;
         }
      }
   } else if (EXPECTED(Z_TYPE_P(arg) < IS_TRUE)) {
      *dest = 0.0;
   } else if (EXPECTED(Z_TYPE_P(arg) == IS_TRUE)) {
      *dest = 1.0;
   } else {
      return 0;
   }
   return 1;
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_double_slow(zval *arg, double *dest) /* {{{ */
{
   if (EXPECTED(Z_TYPE_P(arg) == IS_LONG)) {
      /* SSTH Exception: IS_LONG may be accepted instead as IS_DOUBLE */
      *dest = (double)Z_LVAL_P(arg);
   } else if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
      return 0;
   }
   return zend_parse_arg_double_weak(arg, dest);
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_str_weak(zval *arg, zend_string **dest) /* {{{ */
{
   if (EXPECTED(Z_TYPE_P(arg) < IS_STRING)) {
      convert_to_string(arg);
      *dest = Z_STR_P(arg);
   } else if (UNEXPECTED(Z_TYPE_P(arg) == IS_OBJECT)) {
      if (Z_OBJ_HANDLER_P(arg, cast_object)) {
         zval obj;
         if (Z_OBJ_HANDLER_P(arg, cast_object)(arg, &obj, IS_STRING) == SUCCESS) {
            zval_ptr_dtor(arg);
            ZVAL_COPY_VALUE(arg, &obj);
            *dest = Z_STR_P(arg);
            return 1;
         }
      } else if (Z_OBJ_HANDLER_P(arg, get)) {
         zval rv;
         zval *z = Z_OBJ_HANDLER_P(arg, get)(arg, &rv);

         if (Z_TYPE_P(z) != IS_OBJECT) {
            zval_ptr_dtor(arg);
            if (Z_TYPE_P(z) == IS_STRING) {
               ZVAL_COPY_VALUE(arg, z);
            } else {
               ZVAL_STR(arg, zval_get_string_func(z));
               zval_ptr_dtor(z);
            }
            *dest = Z_STR_P(arg);
            return 1;
         }
         zval_ptr_dtor(z);
      }
      return 0;
   } else {
      return 0;
   }
   return 1;
}
/* }}} */

ZEND_API int ZEND_FASTCALL zend_parse_arg_str_slow(zval *arg, zend_string **dest) /* {{{ */
{
   if (UNEXPECTED(ZEND_ARG_USES_STRICT_TYPES())) {
      return 0;
   }
   return zend_parse_arg_str_weak(arg, dest);
}
/* }}} */

static const char *zend_parse_arg_impl(int arg_num, zval *arg, va_list *va, const char **spec, char **error, int *severity) /* {{{ */
{
   const char *spec_walk = *spec;
   char c = *spec_walk++;
   int check_null = 0;
   int separate = 0;
   zval *real_arg = arg;

   /* scan through modifiers */
   ZVAL_DEREF(arg);
   while (1) {
      if (*spec_walk == '/') {
         SEPARATE_ZVAL_NOREF(arg);
         real_arg = arg;
         separate = 1;
      } else if (*spec_walk == '!') {
         check_null = 1;
      } else {
         break;
      }
      spec_walk++;
   }

   switch (c) {
      case 'l':
      case 'L':
         {
            zend_long *p = va_arg(*va, zend_long *);
            zend_bool *is_null = NULL;

            if (check_null) {
               is_null = va_arg(*va, zend_bool *);
            }

            if (!zend_parse_arg_long(arg, p, is_null, check_null, c == 'L')) {
               return "int";
            }
         }
         break;

      case 'd':
         {
            double *p = va_arg(*va, double *);
            zend_bool *is_null = NULL;

            if (check_null) {
               is_null = va_arg(*va, zend_bool *);
            }

            if (!zend_parse_arg_double(arg, p, is_null, check_null)) {
               return "float";
            }
         }
         break;

      case 's':
         {
            char **p = va_arg(*va, char **);
            size_t *pl = va_arg(*va, size_t *);
            if (!zend_parse_arg_string(arg, p, pl, check_null)) {
               return "string";
            }
         }
         break;

      case 'p':
         {
            char **p = va_arg(*va, char **);
            size_t *pl = va_arg(*va, size_t *);
            if (!zend_parse_arg_path(arg, p, pl, check_null)) {
               return "a valid path";
            }
         }
         break;

      case 'P':
         {
            zend_string **str = va_arg(*va, zend_string **);
            if (!zend_parse_arg_path_str(arg, str, check_null)) {
               return "a valid path";
            }
         }
         break;

      case 'S':
         {
            zend_string **str = va_arg(*va, zend_string **);
            if (!zend_parse_arg_str(arg, str, check_null)) {
               return "string";
            }
         }
         break;

      case 'b':
         {
            zend_bool *p = va_arg(*va, zend_bool *);
            zend_bool *is_null = NULL;

            if (check_null) {
               is_null = va_arg(*va, zend_bool *);
            }

            if (!zend_parse_arg_bool(arg, p, is_null, check_null)) {
               return "bool";
            }
         }
         break;

      case 'r':
         {
            zval **p = va_arg(*va, zval **);

            if (!zend_parse_arg_resource(arg, p, check_null)) {
               return "resource";
            }
         }
         break;

      case 'A':
      case 'a':
         {
            zval **p = va_arg(*va, zval **);

            if (!zend_parse_arg_array(arg, p, check_null, c == 'A')) {
               return "array";
            }
         }
         break;

      case 'H':
      case 'h':
         {
            HashTable **p = va_arg(*va, HashTable **);

            if (!zend_parse_arg_array_ht(arg, p, check_null, c == 'H', separate)) {
               return "array";
            }
         }
         break;

      case 'o':
         {
            zval **p = va_arg(*va, zval **);

            if (!zend_parse_arg_object(arg, p, NULL, check_null)) {
               return "object";
            }
         }
         break;

      case 'O':
         {
            zval **p = va_arg(*va, zval **);
            zend_class_entry *ce = va_arg(*va, zend_class_entry *);

            if (!zend_parse_arg_object(arg, p, ce, check_null)) {
               if (ce) {
                  return ZSTR_VAL(ce->name);
               } else {
                  return "object";
               }
            }
         }
         break;

      case 'C':
         {
            zend_class_entry *lookup, **pce = va_arg(*va, zend_class_entry **);
            zend_class_entry *ce_base = *pce;

            if (check_null && Z_TYPE_P(arg) == IS_NULL) {
               *pce = NULL;
               break;
            }
            convert_to_string_ex(arg);
            if ((lookup = zend_lookup_class(Z_STR_P(arg))) == NULL) {
               *pce = NULL;
            } else {
               *pce = lookup;
            }
            if (ce_base) {
               if ((!*pce || !instanceof_function(*pce, ce_base))) {
                  zend_spprintf(error, 0, "to be a class name derived from %s, '%s' given",
                     ZSTR_VAL(ce_base->name), Z_STRVAL_P(arg));
                  *pce = NULL;
                  return "";
               }
            }
            if (!*pce) {
               zend_spprintf(error, 0, "to be a valid class name, '%s' given",
                  Z_STRVAL_P(arg));
               return "";
            }
            break;

         }
         break;

      case 'f':
         {
            zend_fcall_info *fci = va_arg(*va, zend_fcall_info *);
            zend_fcall_info_cache *fcc = va_arg(*va, zend_fcall_info_cache *);
            char *is_callable_error = NULL;

            if (check_null && Z_TYPE_P(arg) == IS_NULL) {
               fci->size = 0;
               fcc->function_handler = 0;
               break;
            }

            if (zend_fcall_info_init(arg, 0, fci, fcc, NULL, &is_callable_error) == SUCCESS) {
               if (is_callable_error) {
                  *severity = E_DEPRECATED;
                  zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
                  efree(is_callable_error);
                  *spec = spec_walk;
                  return "";
               }
               break;
            } else {
               if (is_callable_error) {
                  *severity = E_ERROR;
                  zend_spprintf(error, 0, "to be a valid callback, %s", is_callable_error);
                  efree(is_callable_error);
                  return "";
               } else {
                  return "valid callback";
               }
            }
         }

      case 'z':
         {
            zval **p = va_arg(*va, zval **);

            zend_parse_arg_zval_deref(real_arg, p, check_null);
         }
         break;

      case 'Z':
         /* 'Z' iz not supported anymore and should be replaced with 'z' */
         ZEND_ASSERT(c != 'Z');
      default:
         return "unknown";
   }

   *spec = spec_walk;

   return NULL;
}
/* }}} */

static int zend_parse_arg(int arg_num, zval *arg, va_list *va, const char **spec, int flags) /* {{{ */
{
   const char *expected_type = NULL;
   char *error = NULL;
   int severity = 0;

   expected_type = zend_parse_arg_impl(arg_num, arg, va, spec, &error, &severity);
   if (expected_type) {
      if (!(flags & ZEND_PARSE_PARAMS_QUIET) && (*expected_type || error)) {
         const char *space;
         const char *class_name = get_active_class_name(&space);
         zend_bool throw_exception =
            ZEND_ARG_USES_STRICT_TYPES() || (flags & ZEND_PARSE_PARAMS_THROW);

         if (error) {
            zend_internal_type_error(throw_exception, "%s%s%s() expects parameter %d %s",
                  class_name, space, get_active_function_name(), arg_num, error);
            efree(error);
         } else {
            zend_internal_type_error(throw_exception,
                  "%s%s%s() expects parameter %d to be %s, %s given",
                  class_name, space, get_active_function_name(), arg_num, expected_type,
                  zend_zval_type_name(arg));
         }
      }
      if (severity != E_DEPRECATED) {
         return FAILURE;
      }
   }

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_parse_parameter(int flags, int arg_num, zval *arg, const char *spec, ...)
{
   va_list va;
   int ret;

   va_start(va, spec);
   ret = zend_parse_arg(arg_num, arg, &va, &spec, flags);
   va_end(va);

   return ret;
}

static ZEND_COLD void zend_parse_parameters_debug_error(const char *msg) {
   zend_function *active_function = EG(current_execute_data)->func;
   const char *class_name = active_function->common.scope
      ? ZSTR_VAL(active_function->common.scope->name) : "";
   zend_error_noreturn(E_CORE_ERROR, "%s%s%s(): %s",
      class_name, class_name[0] ? "::" : "",
      ZSTR_VAL(active_function->common.function_name), msg);
}

static int zend_parse_va_args(int num_args, const char *type_spec, va_list *va, int flags) /* {{{ */
{
   const  char *spec_walk;
   int c, i;
   int min_num_args = -1;
   int max_num_args = 0;
   int post_varargs = 0;
   zval *arg;
   int arg_count;
   zend_bool have_varargs = 0;
   zval **varargs = NULL;
   int *n_varargs = NULL;

   for (spec_walk = type_spec; *spec_walk; spec_walk++) {
      c = *spec_walk;
      switch (c) {
         case 'l': case 'd':
         case 's': case 'b':
         case 'r': case 'a':
         case 'o': case 'O':
         case 'z': case 'Z':
         case 'C': case 'h':
         case 'f': case 'A':
         case 'H': case 'p':
         case 'S': case 'P':
         case 'L':
            max_num_args++;
            break;

         case '|':
            min_num_args = max_num_args;
            break;

         case '/':
         case '!':
            /* Pass */
            break;

         case '*':
         case '+':
            if (have_varargs) {
               zend_parse_parameters_debug_error(
                  "only one varargs specifier (* or +) is permitted");
               return FAILURE;
            }
            have_varargs = 1;
            /* we expect at least one parameter in varargs */
            if (c == '+') {
               max_num_args++;
            }
            /* mark the beginning of varargs */
            post_varargs = max_num_args;
            break;

         default:
            zend_parse_parameters_debug_error("bad type specifier while parsing parameters");
            return FAILURE;
      }
   }

   if (min_num_args < 0) {
      min_num_args = max_num_args;
   }

   if (have_varargs) {
      /* calculate how many required args are at the end of the specifier list */
      post_varargs = max_num_args - post_varargs;
      max_num_args = -1;
   }

   if (num_args < min_num_args || (num_args > max_num_args && max_num_args >= 0)) {
      if (!(flags & ZEND_PARSE_PARAMS_QUIET)) {
         zend_function *active_function = EG(current_execute_data)->func;
         const char *class_name = active_function->common.scope ? ZSTR_VAL(active_function->common.scope->name) : "";
         zend_bool throw_exception = ZEND_ARG_USES_STRICT_TYPES() || (flags & ZEND_PARSE_PARAMS_THROW);
         zend_internal_argument_count_error(throw_exception, "%s%s%s() expects %s %d parameter%s, %d given",
               class_name,
               class_name[0] ? "::" : "",
               ZSTR_VAL(active_function->common.function_name),
               min_num_args == max_num_args ? "exactly" : num_args < min_num_args ? "at least" : "at most",
               num_args < min_num_args ? min_num_args : max_num_args,
               (num_args < min_num_args ? min_num_args : max_num_args) == 1 ? "" : "s",
               num_args);
      }
      return FAILURE;
   }

   arg_count = ZEND_CALL_NUM_ARGS(EG(current_execute_data));

   if (num_args > arg_count) {
      zend_parse_parameters_debug_error("could not obtain parameters for parsing");
      return FAILURE;
   }

   i = 0;
   while (num_args-- > 0) {
      if (*type_spec == '|') {
         type_spec++;
      }

      if (*type_spec == '*' || *type_spec == '+') {
         int num_varargs = num_args + 1 - post_varargs;

         /* eat up the passed in storage even if it won't be filled in with varargs */
         varargs = va_arg(*va, zval **);
         n_varargs = va_arg(*va, int *);
         type_spec++;

         if (num_varargs > 0) {
            *n_varargs = num_varargs;
            *varargs = ZEND_CALL_ARG(EG(current_execute_data), i + 1);
            /* adjust how many args we have left and restart loop */
            num_args += 1 - num_varargs;
            i += num_varargs;
            continue;
         } else {
            *varargs = NULL;
            *n_varargs = 0;
         }
      }

      arg = ZEND_CALL_ARG(EG(current_execute_data), i + 1);

      if (zend_parse_arg(i+1, arg, va, &type_spec, flags) == FAILURE) {
         /* clean up varargs array if it was used */
         if (varargs && *varargs) {
            *varargs = NULL;
         }
         return FAILURE;
      }
      i++;
   }

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_parse_parameters_ex(int flags, int num_args, const char *type_spec, ...) /* {{{ */
{
   va_list va;
   int retval;

   va_start(va, type_spec);
   retval = zend_parse_va_args(num_args, type_spec, &va, flags);
   va_end(va);

   return retval;
}
/* }}} */

ZEND_API int zend_parse_parameters(int num_args, const char *type_spec, ...) /* {{{ */
{
   va_list va;
   int retval;
   int flags = 0;

   va_start(va, type_spec);
   retval = zend_parse_va_args(num_args, type_spec, &va, flags);
   va_end(va);

   return retval;
}
/* }}} */

ZEND_API int zend_parse_parameters_throw(int num_args, const char *type_spec, ...) /* {{{ */
{
   va_list va;
   int retval;
   int flags = ZEND_PARSE_PARAMS_THROW;

   va_start(va, type_spec);
   retval = zend_parse_va_args(num_args, type_spec, &va, flags);
   va_end(va);

   return retval;
}
/* }}} */

ZEND_API int zend_parse_method_parameters(int num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */
{
   va_list va;
   int retval;
   int flags = 0;
   const char *p = type_spec;
   zval **object;
   zend_class_entry *ce;

   /* Just checking this_ptr is not enough, because fcall_common_helper does not set
    * Z_OBJ(EG(This)) to NULL when calling an internal function with common.scope == NULL.
    * In that case EG(This) would still be the $this from the calling code and we'd take the
    * wrong branch here. */
   zend_bool is_method = EG(current_execute_data)->func->common.scope != NULL;

   if (!is_method || !this_ptr || Z_TYPE_P(this_ptr) != IS_OBJECT) {
      va_start(va, type_spec);
      retval = zend_parse_va_args(num_args, type_spec, &va, flags);
      va_end(va);
   } else {
      p++;

      va_start(va, type_spec);

      object = va_arg(va, zval **);
      ce = va_arg(va, zend_class_entry *);
      *object = this_ptr;

      if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce)) {
         zend_error_noreturn(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
            ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), get_active_function_name(), ZSTR_VAL(ce->name), get_active_function_name());
      }

      retval = zend_parse_va_args(num_args, p, &va, flags);
      va_end(va);
   }
   return retval;
}
/* }}} */

ZEND_API int zend_parse_method_parameters_ex(int flags, int num_args, zval *this_ptr, const char *type_spec, ...) /* {{{ */
{
   va_list va;
   int retval;
   const char *p = type_spec;
   zval **object;
   zend_class_entry *ce;

   if (!this_ptr) {
      va_start(va, type_spec);
      retval = zend_parse_va_args(num_args, type_spec, &va, flags);
      va_end(va);
   } else {
      p++;
      va_start(va, type_spec);

      object = va_arg(va, zval **);
      ce = va_arg(va, zend_class_entry *);
      *object = this_ptr;

      if (ce && !instanceof_function(Z_OBJCE_P(this_ptr), ce)) {
         if (!(flags & ZEND_PARSE_PARAMS_QUIET)) {
            zend_error_noreturn(E_CORE_ERROR, "%s::%s() must be derived from %s::%s",
               ZSTR_VAL(ce->name), get_active_function_name(), ZSTR_VAL(Z_OBJCE_P(this_ptr)->name), get_active_function_name());
         }
         va_end(va);
         return FAILURE;
      }

      retval = zend_parse_va_args(num_args, p, &va, flags);
      va_end(va);
   }
   return retval;
}
/* }}} */

/* This function should be called after the constructor has been called
 * because it may call __set from the uninitialized object otherwise. */
ZEND_API void zend_merge_properties(zval *obj, HashTable *properties) /* {{{ */
{
   const zend_object_handlers *obj_ht = Z_OBJ_HT_P(obj);
   zend_class_entry *old_scope = EG(fake_scope);
   zend_string *key;
   zval *value;

   EG(fake_scope) = Z_OBJCE_P(obj);
   ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, value) {
      if (key) {
         zval member;

         ZVAL_STR(&member, key);
         obj_ht->write_property(obj, &member, value, NULL);
      }
   } ZEND_HASH_FOREACH_END();
   EG(fake_scope) = old_scope;
}
/* }}} */

ZEND_API int zend_update_class_constants(zend_class_entry *class_type) /* {{{ */
{
   if (!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED)) {
      zend_class_entry *ce;
      zend_class_constant *c;
      zval *val;
      zend_property_info *prop_info;

      if (class_type->parent) {
         if (UNEXPECTED(zend_update_class_constants(class_type->parent) != SUCCESS)) {
            return FAILURE;
         }
      }

      ZEND_HASH_FOREACH_PTR(&class_type->constants_table, c) {
         val = &c->value;
         if (Z_TYPE_P(val) == IS_CONSTANT_AST) {
            if (UNEXPECTED(zval_update_constant_ex(val, c->ce) != SUCCESS)) {
               return FAILURE;
            }
         }
      } ZEND_HASH_FOREACH_END();

      ce = class_type;
      while (ce) {
         ZEND_HASH_FOREACH_PTR(&ce->properties_info, prop_info) {
            if (prop_info->ce == ce) {
               if (prop_info->flags & ZEND_ACC_STATIC) {
                  val = CE_STATIC_MEMBERS(class_type) + prop_info->offset;
               } else {
                  val = (zval*)((char*)class_type->default_properties_table + prop_info->offset - OBJ_PROP_TO_OFFSET(0));
               }
               ZVAL_DEREF(val);
               if (Z_TYPE_P(val) == IS_CONSTANT_AST) {
                  if (UNEXPECTED(zval_update_constant_ex(val, ce) != SUCCESS)) {
                     return FAILURE;
                  }
               }
            }
         } ZEND_HASH_FOREACH_END();
         ce = ce->parent;
      }

      class_type->ce_flags |= ZEND_ACC_CONSTANTS_UPDATED;
   }

   return SUCCESS;
}
/* }}} */

ZEND_API void object_properties_init(zend_object *object, zend_class_entry *class_type) /* {{{ */
{
   if (class_type->default_properties_count) {
      zval *src = class_type->default_properties_table;
      zval *dst = object->properties_table;
      zval *end = src + class_type->default_properties_count;

      if (UNEXPECTED(class_type->type == ZEND_INTERNAL_CLASS)) {
         do {
            ZVAL_COPY_OR_DUP(dst, src);
            src++;
            dst++;
         } while (src != end);
      } else {
         do {
            ZVAL_COPY(dst, src);
            src++;
            dst++;
         } while (src != end);
      }
      object->properties = NULL;
   }
}
/* }}} */

ZEND_API void object_properties_init_ex(zend_object *object, HashTable *properties) /* {{{ */
{
   object->properties = properties;
   if (object->ce->default_properties_count) {
      zval *prop;
      zend_string *key;
      zend_property_info *property_info;

      ZEND_HASH_FOREACH_STR_KEY_VAL(properties, key, prop) {
         property_info = zend_get_property_info(object->ce, key, 1);
         if (property_info != ZEND_WRONG_PROPERTY_INFO &&
             property_info &&
             (property_info->flags & ZEND_ACC_STATIC) == 0) {
            zval *slot = OBJ_PROP(object, property_info->offset);
            ZVAL_COPY_VALUE(slot, prop);
            ZVAL_INDIRECT(prop, slot);
         }
      } ZEND_HASH_FOREACH_END();
   }
}
/* }}} */

ZEND_API void object_properties_load(zend_object *object, HashTable *properties) /* {{{ */
{
    zval *prop, tmp;
      zend_string *key;
      zend_long h;
      zend_property_info *property_info;

      ZEND_HASH_FOREACH_KEY_VAL(properties, h, key, prop) {
      if (key) {
         if (ZSTR_VAL(key)[0] == '\0') {
            const char *class_name, *prop_name;
            size_t prop_name_len;
            if (zend_unmangle_property_name_ex(key, &class_name, &prop_name, &prop_name_len) == SUCCESS) {
               zend_string *pname = zend_string_init(prop_name, prop_name_len, 0);
               zend_class_entry *prev_scope = EG(fake_scope);
               if (class_name && class_name[0] != '*') {
                  zend_string *cname = zend_string_init(class_name, strlen(class_name), 0);
                  EG(fake_scope) = zend_lookup_class(cname);
                  zend_string_release_ex(cname, 0);
               }
               property_info = zend_get_property_info(object->ce, pname, 1);
               zend_string_release_ex(pname, 0);
               EG(fake_scope) = prev_scope;
            } else {
               property_info = ZEND_WRONG_PROPERTY_INFO;
            }
         } else {
            property_info = zend_get_property_info(object->ce, key, 1);
         }
         if (property_info != ZEND_WRONG_PROPERTY_INFO &&
            property_info &&
            (property_info->flags & ZEND_ACC_STATIC) == 0) {
            zval *slot = OBJ_PROP(object, property_info->offset);
            zval_ptr_dtor(slot);
            ZVAL_COPY_VALUE(slot, prop);
            zval_add_ref(slot);
            if (object->properties) {
               ZVAL_INDIRECT(&tmp, slot);
               zend_hash_update(object->properties, key, &tmp);
            }
         } else {
            if (!object->properties) {
               rebuild_object_properties(object);
            }
            prop = zend_hash_update(object->properties, key, prop);
            zval_add_ref(prop);
         }
      } else {
         if (!object->properties) {
            rebuild_object_properties(object);
         }
         prop = zend_hash_index_update(object->properties, h, prop);
         zval_add_ref(prop);
      }
   } ZEND_HASH_FOREACH_END();
}
/* }}} */

/* This function requires 'properties' to contain all props declared in the
 * class and all props being public. If only a subset is given or the class
 * has protected members then you need to merge the properties separately by
 * calling zend_merge_properties(). */
ZEND_API int object_and_properties_init(zval *arg, zend_class_entry *class_type, HashTable *properties) /* {{{ */
{
   if (UNEXPECTED(class_type->ce_flags & (ZEND_ACC_INTERFACE|ZEND_ACC_TRAIT|ZEND_ACC_IMPLICIT_ABSTRACT_CLASS|ZEND_ACC_EXPLICIT_ABSTRACT_CLASS))) {
      if (class_type->ce_flags & ZEND_ACC_INTERFACE) {
         zend_throw_error(NULL, "Cannot instantiate interface %s", ZSTR_VAL(class_type->name));
      } else if (class_type->ce_flags & ZEND_ACC_TRAIT) {
         zend_throw_error(NULL, "Cannot instantiate trait %s", ZSTR_VAL(class_type->name));
      } else {
         zend_throw_error(NULL, "Cannot instantiate abstract class %s", ZSTR_VAL(class_type->name));
      }
      ZVAL_NULL(arg);
      Z_OBJ_P(arg) = NULL;
      return FAILURE;
   }

   if (UNEXPECTED(!(class_type->ce_flags & ZEND_ACC_CONSTANTS_UPDATED))) {
      if (UNEXPECTED(zend_update_class_constants(class_type) != SUCCESS)) {
         ZVAL_NULL(arg);
         Z_OBJ_P(arg) = NULL;
         return FAILURE;
      }
   }

   if (class_type->create_object == NULL) {
      ZVAL_OBJ(arg, zend_objects_new(class_type));
      if (properties) {
         object_properties_init_ex(Z_OBJ_P(arg), properties);
      } else {
         object_properties_init(Z_OBJ_P(arg), class_type);
      }
   } else {
      ZVAL_OBJ(arg, class_type->create_object(class_type));
   }
   return SUCCESS;
}
/* }}} */

ZEND_API int object_init_ex(zval *arg, zend_class_entry *class_type) /* {{{ */
{
   return object_and_properties_init(arg, class_type, 0);
}
/* }}} */

ZEND_API int object_init(zval *arg) /* {{{ */
{
   ZVAL_OBJ(arg, zend_objects_new(zend_standard_class_def));
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */
{
   zval tmp;

   ZVAL_LONG(&tmp, n);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */
{
   zval tmp;

   ZVAL_NULL(&tmp);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_bool_ex(zval *arg, const char *key, size_t key_len, int b) /* {{{ */
{
   zval tmp;

   ZVAL_BOOL(&tmp, b);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */
{
   zval tmp;

   ZVAL_RES(&tmp, r);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */
{
   zval tmp;

   ZVAL_DOUBLE(&tmp, d);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */
{
   zval tmp;

   ZVAL_STR(&tmp, str);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */
{
   zval tmp;

   ZVAL_STRING(&tmp, str);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */
{
   zval tmp;

   ZVAL_STRINGL(&tmp, str, length);
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_assoc_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */
{
   zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, value);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_long(zval *arg, zend_ulong index, zend_long n) /* {{{ */
{
   zval tmp;

   ZVAL_LONG(&tmp, n);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_null(zval *arg, zend_ulong index) /* {{{ */
{
   zval tmp;

   ZVAL_NULL(&tmp);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_bool(zval *arg, zend_ulong index, int b) /* {{{ */
{
   zval tmp;

   ZVAL_BOOL(&tmp, b);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_resource(zval *arg, zend_ulong index, zend_resource *r) /* {{{ */
{
   zval tmp;

   ZVAL_RES(&tmp, r);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_double(zval *arg, zend_ulong index, double d) /* {{{ */
{
   zval tmp;

   ZVAL_DOUBLE(&tmp, d);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */
{
   zval tmp;

   ZVAL_STR(&tmp, str);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */
{
   zval tmp;

   ZVAL_STRING(&tmp, str);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */
{
   zval tmp;

   ZVAL_STRINGL(&tmp, str, length);
   zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_index_zval(zval *arg, zend_ulong index, zval *value) /* {{{ */
{
   zend_hash_index_update(Z_ARRVAL_P(arg), index, value);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_next_index_long(zval *arg, zend_long n) /* {{{ */
{
   zval tmp;

   ZVAL_LONG(&tmp, n);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_null(zval *arg) /* {{{ */
{
   zval tmp;

   ZVAL_NULL(&tmp);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_bool(zval *arg, int b) /* {{{ */
{
   zval tmp;

   ZVAL_BOOL(&tmp, b);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_resource(zval *arg, zend_resource *r) /* {{{ */
{
   zval tmp;

   ZVAL_RES(&tmp, r);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_double(zval *arg, double d) /* {{{ */
{
   zval tmp;

   ZVAL_DOUBLE(&tmp, d);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_str(zval *arg, zend_string *str) /* {{{ */
{
   zval tmp;

   ZVAL_STR(&tmp, str);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_string(zval *arg, const char *str) /* {{{ */
{
   zval tmp;

   ZVAL_STRING(&tmp, str);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_stringl(zval *arg, const char *str, size_t length) /* {{{ */
{
   zval tmp;

   ZVAL_STRINGL(&tmp, str, length);
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), &tmp) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API int add_next_index_zval(zval *arg, zval *value) /* {{{ */
{
   return zend_hash_next_index_insert(Z_ARRVAL_P(arg), value) ? SUCCESS : FAILURE;
}
/* }}} */

ZEND_API zval *add_get_assoc_string_ex(zval *arg, const char *key, uint32_t key_len, const char *str) /* {{{ */
{
   zval tmp, *ret;

   ZVAL_STRING(&tmp, str);
   ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return ret;
}
/* }}} */

ZEND_API zval *add_get_assoc_stringl_ex(zval *arg, const char *key, uint32_t key_len, const char *str, size_t length) /* {{{ */
{
   zval tmp, *ret;

   ZVAL_STRINGL(&tmp, str, length);
   ret = zend_symtable_str_update(Z_ARRVAL_P(arg), key, key_len, &tmp);
   return ret;
}
/* }}} */

ZEND_API zval *add_get_index_long(zval *arg, zend_ulong index, zend_long l) /* {{{ */
{
   zval tmp;

   ZVAL_LONG(&tmp, l);
   return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */

ZEND_API zval *add_get_index_double(zval *arg, zend_ulong index, double d) /* {{{ */
{
   zval tmp;

   ZVAL_DOUBLE(&tmp, d);
   return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */

ZEND_API zval *add_get_index_str(zval *arg, zend_ulong index, zend_string *str) /* {{{ */
{
   zval tmp;

   ZVAL_STR(&tmp, str);
   return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */

ZEND_API zval *add_get_index_string(zval *arg, zend_ulong index, const char *str) /* {{{ */
{
   zval tmp;

   ZVAL_STRING(&tmp, str);
   return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */

ZEND_API zval *add_get_index_stringl(zval *arg, zend_ulong index, const char *str, size_t length) /* {{{ */
{
   zval tmp;

   ZVAL_STRINGL(&tmp, str, length);
   return zend_hash_index_update(Z_ARRVAL_P(arg), index, &tmp);
}
/* }}} */

ZEND_API int array_set_zval_key(HashTable *ht, zval *key, zval *value) /* {{{ */
{
   zval *result;

   switch (Z_TYPE_P(key)) {
      case IS_STRING:
         result = zend_symtable_update(ht, Z_STR_P(key), value);
         break;
      case IS_NULL:
         result = zend_symtable_update(ht, ZSTR_EMPTY_ALLOC(), value);
         break;
      case IS_RESOURCE:
         zend_error(E_NOTICE, "Resource ID#%d used as offset, casting to integer (%d)", Z_RES_HANDLE_P(key), Z_RES_HANDLE_P(key));
         result = zend_hash_index_update(ht, Z_RES_HANDLE_P(key), value);
         break;
      case IS_FALSE:
         result = zend_hash_index_update(ht, 0, value);
         break;
      case IS_TRUE:
         result = zend_hash_index_update(ht, 1, value);
         break;
      case IS_LONG:
         result = zend_hash_index_update(ht, Z_LVAL_P(key), value);
         break;
      case IS_DOUBLE:
         result = zend_hash_index_update(ht, zend_dval_to_lval(Z_DVAL_P(key)), value);
         break;
      default:
         zend_error(E_WARNING, "Illegal offset type");
         result = NULL;
   }

   if (result) {
      Z_TRY_ADDREF_P(result);
      return SUCCESS;
   } else {
      return FAILURE;
   }
}
/* }}} */

ZEND_API int add_property_long_ex(zval *arg, const char *key, size_t key_len, zend_long n) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_LONG(&tmp, n);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_bool_ex(zval *arg, const char *key, size_t key_len, zend_long b) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_BOOL(&tmp, b);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_null_ex(zval *arg, const char *key, size_t key_len) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_NULL(&tmp);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_resource_ex(zval *arg, const char *key, size_t key_len, zend_resource *r) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_RES(&tmp, r);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_double_ex(zval *arg, const char *key, size_t key_len, double d) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_DOUBLE(&tmp, d);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_str_ex(zval *arg, const char *key, size_t key_len, zend_string *str) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_STR(&tmp, str);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_string_ex(zval *arg, const char *key, size_t key_len, const char *str) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_STRING(&tmp, str);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_stringl_ex(zval *arg, const char *key, size_t key_len, const char *str, size_t length) /* {{{ */
{
   zval tmp;
   zval z_key;

   ZVAL_STRINGL(&tmp, str, length);
   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, &tmp, NULL);
   zval_ptr_dtor(&tmp); /* write_property will add 1 to refcount */
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int add_property_zval_ex(zval *arg, const char *key, size_t key_len, zval *value) /* {{{ */
{
   zval z_key;

   ZVAL_STRINGL(&z_key, key, key_len);
   Z_OBJ_HANDLER_P(arg, write_property)(arg, &z_key, value, NULL);
   zval_ptr_dtor(&z_key);
   return SUCCESS;
}
/* }}} */

ZEND_API int zend_startup_module_ex(zend_module_entry *module) /* {{{ */
{
   size_t name_len;
   zend_string *lcname;

   if (module->module_started) {
      return SUCCESS;
   }
   module->module_started = 1;

   /* Check module dependencies */
   if (module->deps) {
      const zend_module_dep *dep = module->deps;

      while (dep->name) {
         if (dep->type == MODULE_DEP_REQUIRED) {
            zend_module_entry *req_mod;

            name_len = strlen(dep->name);
            lcname = zend_string_alloc(name_len, 0);
            zend_str_tolower_copy(ZSTR_VAL(lcname), dep->name, name_len);

            if ((req_mod = zend_hash_find_ptr(&module_registry, lcname)) == NULL || !req_mod->module_started) {
               zend_string_efree(lcname);
               /* TODO: Check version relationship */
               zend_error(E_CORE_WARNING, "Cannot load module '%s' because required module '%s' is not loaded", module->name, dep->name);
               module->module_started = 0;
               return FAILURE;
            }
            zend_string_efree(lcname);
         }
         ++dep;
      }
   }

   /* Initialize module globals */
   if (module->globals_size) {
#ifdef ZTS
      ts_allocate_id(module->globals_id_ptr, module->globals_size, (ts_allocate_ctor) module->globals_ctor, (ts_allocate_dtor) module->globals_dtor);
#else
      if (module->globals_ctor) {
         module->globals_ctor(module->globals_ptr);
      }
#endif
   }
   if (module->module_startup_func) {
      EG(current_module) = module;
      if (module->module_startup_func(module->type, module->module_number)==FAILURE) {
         zend_error_noreturn(E_CORE_ERROR,"Unable to start %s module", module->name);
         EG(current_module) = NULL;
         return FAILURE;
      }
      EG(current_module) = NULL;
   }
   return SUCCESS;
}
/* }}} */

static int zend_startup_module_zval(zval *zv) /* {{{ */
{
   zend_module_entry *module = Z_PTR_P(zv);

   return (zend_startup_module_ex(module) == SUCCESS) ? ZEND_HASH_APPLY_KEEP : ZEND_HASH_APPLY_REMOVE;
}
/* }}} */

static void zend_sort_modules(void *base, size_t count, size_t siz, compare_func_t compare, swap_func_t swp) /* {{{ */
{
   Bucket *b1 = base;
   Bucket *b2;
   Bucket *end = b1 + count;
   Bucket tmp;
   zend_module_entry *m, *r;

   while (b1 < end) {
try_again:
      m = (zend_module_entry*)Z_PTR(b1->val);
      if (!m->module_started && m->deps) {
         const zend_module_dep *dep = m->deps;
         while (dep->name) {
            if (dep->type == MODULE_DEP_REQUIRED || dep->type == MODULE_DEP_OPTIONAL) {
               b2 = b1 + 1;
               while (b2 < end) {
                  r = (zend_module_entry*)Z_PTR(b2->val);
                  if (strcasecmp(dep->name, r->name) == 0) {
                     tmp = *b1;
                     *b1 = *b2;
                     *b2 = tmp;
                     goto try_again;
                  }
                  b2++;
               }
            }
            dep++;
         }
      }
      b1++;
   }
}
/* }}} */

ZEND_API void zend_collect_module_handlers(void) /* {{{ */
{
   zend_module_entry *module;
   int startup_count = 0;
   int shutdown_count = 0;
   int post_deactivate_count = 0;
   zend_class_entry *ce;
   int class_count = 0;

   /* Collect extensions with request startup/shutdown handlers */
   ZEND_HASH_FOREACH_PTR(&module_registry, module) {
      if (module->request_startup_func) {
         startup_count++;
      }
      if (module->request_shutdown_func) {
         shutdown_count++;
      }
      if (module->post_deactivate_func) {
         post_deactivate_count++;
      }
   } ZEND_HASH_FOREACH_END();
   module_request_startup_handlers = (zend_module_entry**)malloc(
       sizeof(zend_module_entry*) *
      (startup_count + 1 +
       shutdown_count + 1 +
       post_deactivate_count + 1));
   module_request_startup_handlers[startup_count] = NULL;
   module_request_shutdown_handlers = module_request_startup_handlers + startup_count + 1;
   module_request_shutdown_handlers[shutdown_count] = NULL;
   module_post_deactivate_handlers = module_request_shutdown_handlers + shutdown_count + 1;
   module_post_deactivate_handlers[post_deactivate_count] = NULL;
   startup_count = 0;

   ZEND_HASH_FOREACH_PTR(&module_registry, module) {
      if (module->request_startup_func) {
         module_request_startup_handlers[startup_count++] = module;
      }
      if (module->request_shutdown_func) {
         module_request_shutdown_handlers[--shutdown_count] = module;
      }
      if (module->post_deactivate_func) {
         module_post_deactivate_handlers[--post_deactivate_count] = module;
      }
   } ZEND_HASH_FOREACH_END();

   /* Collect internal classes with static members */
   ZEND_HASH_FOREACH_PTR(CG(class_table), ce) {
      if (ce->type == ZEND_INTERNAL_CLASS &&
          ce->default_static_members_count > 0) {
          class_count++;
      }
   } ZEND_HASH_FOREACH_END();

   class_cleanup_handlers = (zend_class_entry**)malloc(
      sizeof(zend_class_entry*) *
      (class_count + 1));
   class_cleanup_handlers[class_count] = NULL;

   if (class_count) {
      ZEND_HASH_FOREACH_PTR(CG(class_table), ce) {
         if (ce->type == ZEND_INTERNAL_CLASS &&
             ce->default_static_members_count > 0) {
             class_cleanup_handlers[--class_count] = ce;
         }
      } ZEND_HASH_FOREACH_END();
   }
}
/* }}} */

ZEND_API int zend_startup_modules(void) /* {{{ */
{
   zend_hash_sort_ex(&module_registry, zend_sort_modules, NULL, 0);
   zend_hash_apply(&module_registry, zend_startup_module_zval);
   return SUCCESS;
}
/* }}} */

ZEND_API void zend_destroy_modules(void) /* {{{ */
{
   free(class_cleanup_handlers);
   free(module_request_startup_handlers);
   zend_hash_graceful_reverse_destroy(&module_registry);
}
/* }}} */

ZEND_API zend_module_entry* zend_register_module_ex(zend_module_entry *module) /* {{{ */
{
   size_t name_len;
   zend_string *lcname;
   zend_module_entry *module_ptr;

   if (!module) {
      return NULL;
   }

#if 0
   zend_printf("%s: Registering module %d\n", module->name, module->module_number);
#endif

   /* Check module dependencies */
   if (module->deps) {
      const zend_module_dep *dep = module->deps;

      while (dep->name) {
         if (dep->type == MODULE_DEP_CONFLICTS) {
            name_len = strlen(dep->name);
            lcname = zend_string_alloc(name_len, 0);
            zend_str_tolower_copy(ZSTR_VAL(lcname), dep->name, name_len);

            if (zend_hash_exists(&module_registry, lcname) || zend_get_extension(dep->name)) {
               zend_string_efree(lcname);
               /* TODO: Check version relationship */
               zend_error(E_CORE_WARNING, "Cannot load module '%s' because conflicting module '%s' is already loaded", module->name, dep->name);
               return NULL;
            }
            zend_string_efree(lcname);
         }
         ++dep;
      }
   }

   name_len = strlen(module->name);
   lcname = zend_string_alloc(name_len, 1);
   zend_str_tolower_copy(ZSTR_VAL(lcname), module->name, name_len);

   lcname = zend_new_interned_string(lcname);
   if ((module_ptr = zend_hash_add_mem(&module_registry, lcname, module, sizeof(zend_module_entry))) == NULL) {
      zend_error(E_CORE_WARNING, "Module '%s' already loaded", module->name);
      zend_string_release_ex(lcname, 1);
      return NULL;
   }
   module = module_ptr;
   EG(current_module) = module;

   if (module->functions && zend_register_functions(NULL, module->functions, NULL, module->type)==FAILURE) {
      zend_hash_del(&module_registry, lcname);
      zend_string_release_ex(lcname, 1);
      EG(current_module) = NULL;
      zend_error(E_CORE_WARNING,"%s: Unable to register functions, unable to load", module->name);
      return NULL;
   }

   EG(current_module) = NULL;
   zend_string_release_ex(lcname, 1);
   return module;
}
/* }}} */

ZEND_API zend_module_entry* zend_register_internal_module(zend_module_entry *module) /* {{{ */
{
   module->module_number = zend_next_free_module();
   module->type = MODULE_PERSISTENT;
   return zend_register_module_ex(module);
}
/* }}} */

ZEND_API void zend_check_magic_method_implementation(const zend_class_entry *ce, const zend_function *fptr, int error_type) /* {{{ */
{
   char lcname[16];
   size_t name_len;

   if (ZSTR_VAL(fptr->common.function_name)[0] != '_'
    || ZSTR_VAL(fptr->common.function_name)[1] != '_') {
      return;
   }

   /* we don't care if the function name is longer, in fact lowercasing only
    * the beginning of the name speeds up the check process */
   name_len = ZSTR_LEN(fptr->common.function_name);
   zend_str_tolower_copy(lcname, ZSTR_VAL(fptr->common.function_name), MIN(name_len, sizeof(lcname)-1));
   lcname[sizeof(lcname)-1] = '\0'; /* zend_str_tolower_copy won't necessarily set the zero byte */

   if (name_len == sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_DESTRUCTOR_FUNC_NAME, sizeof(ZEND_DESTRUCTOR_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
      zend_error(error_type, "Destructor %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_DESTRUCTOR_FUNC_NAME);
   } else if (name_len == sizeof(ZEND_CLONE_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CLONE_FUNC_NAME, sizeof(ZEND_CLONE_FUNC_NAME) - 1) && fptr->common.num_args != 0) {
      zend_error(error_type, "Method %s::%s() cannot accept any arguments", ZSTR_VAL(ce->name), ZEND_CLONE_FUNC_NAME);
   } else if (name_len == sizeof(ZEND_GET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_GET_FUNC_NAME, sizeof(ZEND_GET_FUNC_NAME) - 1)) {
      if (fptr->common.num_args != 1) {
         zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_GET_FUNC_NAME);
      } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
         zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_GET_FUNC_NAME);
      }
   } else if (name_len == sizeof(ZEND_SET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_SET_FUNC_NAME, sizeof(ZEND_SET_FUNC_NAME) - 1)) {
      if (fptr->common.num_args != 2) {
         zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ZSTR_VAL(ce->name), ZEND_SET_FUNC_NAME);
      } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
         zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_SET_FUNC_NAME);
      }
   } else if (name_len == sizeof(ZEND_UNSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_UNSET_FUNC_NAME, sizeof(ZEND_UNSET_FUNC_NAME) - 1)) {
      if (fptr->common.num_args != 1) {
         zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_UNSET_FUNC_NAME);
      } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
         zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_UNSET_FUNC_NAME);
      }
   } else if (name_len == sizeof(ZEND_ISSET_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_ISSET_FUNC_NAME, sizeof(ZEND_ISSET_FUNC_NAME) - 1)) {
      if (fptr->common.num_args != 1) {
         zend_error(error_type, "Method %s::%s() must take exactly 1 argument", ZSTR_VAL(ce->name), ZEND_ISSET_FUNC_NAME);
      } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1)) {
         zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_ISSET_FUNC_NAME);
      }
   } else if (name_len == sizeof(ZEND_CALL_FUNC_NAME) - 1 && !memcmp(lcname, ZEND_CALL_FUNC_NAME, sizeof(ZEND_CALL_FUNC_NAME) - 1)) {
      if (fptr->common.num_args != 2) {
         zend_error(error_type, "Method %s::%s() must take exactly 2 arguments", ZSTR_VAL(ce->name), ZEND_CALL_FUNC_NAME);
      } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
         zend_error(error_type, "Method %s::%s() cannot take arguments by reference", ZSTR_VAL(ce->name), ZEND_CALL_FUNC_NAME);
      }
   } else if (name_len == sizeof(ZEND_CALLSTATIC_FUNC_NAME) - 1 &&
      !memcmp(lcname, ZEND_CALLSTATIC_FUNC_NAME, sizeof(ZEND_CALLSTATIC_FUNC_NAME)-1)
   ) {
      if (fptr->common.num_args != 2) {
         zend_error(error_type, "Method %s::__callStatic() must take exactly 2 arguments", ZSTR_VAL(ce->name));
      } else if (ARG_SHOULD_BE_SENT_BY_REF(fptr, 1) || ARG_SHOULD_BE_SENT_BY_REF(fptr, 2)) {
         zend_error(error_type, "Method %s::__callStatic() cannot take arguments by reference", ZSTR_VAL(ce->name));
      }
   } else if (name_len == sizeof(ZEND_TOSTRING_FUNC_NAME) - 1 &&
      !memcmp(lcname, ZEND_TOSTRING_FUNC_NAME, sizeof(ZEND_TOSTRING_FUNC_NAME)-1) && fptr->common.num_args != 0
   ) {
      zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_TOSTRING_FUNC_NAME);
   } else if (name_len == sizeof(ZEND_DEBUGINFO_FUNC_NAME) - 1 &&
      !memcmp(lcname, ZEND_DEBUGINFO_FUNC_NAME, sizeof(ZEND_DEBUGINFO_FUNC_NAME)-1) && fptr->common.num_args != 0) {
      zend_error(error_type, "Method %s::%s() cannot take arguments", ZSTR_VAL(ce->name), ZEND_DEBUGINFO_FUNC_NAME);
   }
}
/* }}} */

/* registers all functions in *library_functions in the function hash */
ZEND_API int zend_register_functions(zend_class_entry *scope, const zend_function_entry *functions, HashTable *function_table, int type) /* {{{ */
{
   const zend_function_entry *ptr = functions;
   zend_function function, *reg_function;
   zend_internal_function *internal_function = (zend_internal_function *)&function;
   int count=0, unload=0;
   HashTable *target_function_table = function_table;
   int error_type;
   zend_function *ctor = NULL, *dtor = NULL, *clone = NULL, *__get = NULL, *__set = NULL, *__unset = NULL, *__isset = NULL, *__call = NULL, *__callstatic = NULL, *__tostring = NULL, *__debugInfo = NULL;
   zend_string *lowercase_name;
   size_t fname_len;
   const char *lc_class_name = NULL;
   size_t class_name_len = 0;

   if (type==MODULE_PERSISTENT) {
      error_type = E_CORE_WARNING;
   } else {
      error_type = E_WARNING;
   }

   if (!target_function_table) {
      target_function_table = CG(function_table);
   }
   internal_function->type = ZEND_INTERNAL_FUNCTION;
   internal_function->module = EG(current_module);
   memset(internal_function->reserved, 0, ZEND_MAX_RESERVED_RESOURCES * sizeof(void*));

   if (scope) {
      class_name_len = ZSTR_LEN(scope->name);
      if ((lc_class_name = zend_memrchr(ZSTR_VAL(scope->name), '\\', class_name_len))) {
         ++lc_class_name;
         class_name_len -= (lc_class_name - ZSTR_VAL(scope->name));
         lc_class_name = zend_str_tolower_dup(lc_class_name, class_name_len);
      } else {
         lc_class_name = zend_str_tolower_dup(ZSTR_VAL(scope->name), class_name_len);
      }
   }

   while (ptr->fname) {
      fname_len = strlen(ptr->fname);
      internal_function->handler = ptr->handler;
      internal_function->function_name = zend_string_init_interned(ptr->fname, fname_len, 1);
      internal_function->scope = scope;
      internal_function->prototype = NULL;
      if (ptr->flags) {
         if (!(ptr->flags & ZEND_ACC_PPP_MASK)) {
            if (ptr->flags != ZEND_ACC_DEPRECATED && scope) {
               zend_error(error_type, "Invalid access level for %s%s%s() - access must be exactly one of public, protected or private", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
            }
            internal_function->fn_flags = ZEND_ACC_PUBLIC | ptr->flags;
         } else {
            internal_function->fn_flags = ptr->flags;
         }
      } else {
         internal_function->fn_flags = ZEND_ACC_PUBLIC;
      }
      if (ptr->arg_info) {
         zend_internal_function_info *info = (zend_internal_function_info*)ptr->arg_info;

         internal_function->arg_info = (zend_internal_arg_info*)ptr->arg_info+1;
         internal_function->num_args = ptr->num_args;
         /* Currently you cannot denote that the function can accept less arguments than num_args */
         if (info->required_num_args == (zend_uintptr_t)-1) {
            internal_function->required_num_args = ptr->num_args;
         } else {
            internal_function->required_num_args = info->required_num_args;
         }
         if (info->return_reference) {
            internal_function->fn_flags |= ZEND_ACC_RETURN_REFERENCE;
         }
         if (ptr->arg_info[ptr->num_args].is_variadic) {
            internal_function->fn_flags |= ZEND_ACC_VARIADIC;
            /* Don't count the variadic argument */
            internal_function->num_args--;
         }
         if (ZEND_TYPE_IS_SET(info->type)) {
            if (ZEND_TYPE_IS_CLASS(info->type)) {
               const char *type_name = (const char*)info->type;

               if (type_name[0] == '?') {
                  type_name++;
               }
               if (!scope && (!strcasecmp(type_name, "self") || !strcasecmp(type_name, "parent"))) {
                  zend_error_noreturn(E_CORE_ERROR, "Cannot declare a return type of %s outside of a class scope", type_name);
               }
            }

            internal_function->fn_flags |= ZEND_ACC_HAS_RETURN_TYPE;
         }
      } else {
         internal_function->arg_info = NULL;
         internal_function->num_args = 0;
         internal_function->required_num_args = 0;
      }
      zend_set_function_arg_flags((zend_function*)internal_function);
      if (ptr->flags & ZEND_ACC_ABSTRACT) {
         if (scope) {
            /* This is a class that must be abstract itself. Here we set the check info. */
            scope->ce_flags |= ZEND_ACC_IMPLICIT_ABSTRACT_CLASS;
            if (!(scope->ce_flags & ZEND_ACC_INTERFACE)) {
               /* Since the class is not an interface it needs to be declared as a abstract class. */
               /* Since here we are handling internal functions only we can add the keyword flag. */
               /* This time we set the flag for the keyword 'abstract'. */
               scope->ce_flags |= ZEND_ACC_EXPLICIT_ABSTRACT_CLASS;
            }
         }
         if (ptr->flags & ZEND_ACC_STATIC && (!scope || !(scope->ce_flags & ZEND_ACC_INTERFACE))) {
            zend_error(error_type, "Static function %s%s%s() cannot be abstract", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
         }
      } else {
         if (scope && (scope->ce_flags & ZEND_ACC_INTERFACE)) {
            efree((char*)lc_class_name);
            zend_error(error_type, "Interface %s cannot contain non abstract method %s()", ZSTR_VAL(scope->name), ptr->fname);
            return FAILURE;
         }
         if (!internal_function->handler) {
            if (scope) {
               efree((char*)lc_class_name);
            }
            zend_error(error_type, "Method %s%s%s() cannot be a NULL function", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
            zend_unregister_functions(functions, count, target_function_table);
            return FAILURE;
         }
      }
      lowercase_name = zend_string_tolower_ex(internal_function->function_name, 1);
      lowercase_name = zend_new_interned_string(lowercase_name);
      reg_function = malloc(sizeof(zend_internal_function));
      memcpy(reg_function, &function, sizeof(zend_internal_function));
      if (zend_hash_add_ptr(target_function_table, lowercase_name, reg_function) == NULL) {
         unload=1;
         free(reg_function);
         zend_string_release_ex(lowercase_name, 1);
         break;
      }

      /* If types of arguments have to be checked */
      if (reg_function->common.arg_info && reg_function->common.num_args) {
         uint32_t i;
         for (i = 0; i < reg_function->common.num_args; i++) {
            if (ZEND_TYPE_IS_SET(reg_function->common.arg_info[i].type)) {
                reg_function->common.fn_flags |= ZEND_ACC_HAS_TYPE_HINTS;
               break;
            }
         }
      }

      if (reg_function->common.arg_info &&
          (reg_function->common.fn_flags & (ZEND_ACC_HAS_RETURN_TYPE|ZEND_ACC_HAS_TYPE_HINTS))) {
         /* convert "const char*" class type names into "zend_string*" */
         uint32_t i;
         uint32_t num_args = reg_function->common.num_args + 1;
         zend_arg_info *arg_info = reg_function->common.arg_info - 1;
         zend_arg_info *new_arg_info;

         if (reg_function->common.fn_flags & ZEND_ACC_VARIADIC) {
            num_args++;
         }
         new_arg_info = malloc(sizeof(zend_arg_info) * num_args);
         memcpy(new_arg_info, arg_info, sizeof(zend_arg_info) * num_args);
         reg_function->common.arg_info = new_arg_info + 1;
         for (i = 0; i < num_args; i++) {
            if (ZEND_TYPE_IS_CLASS(new_arg_info[i].type)) {
               const char *class_name = (const char*)new_arg_info[i].type;
               zend_bool allow_null = 0;
               zend_string *str;

               if (class_name[0] == '?') {
                  class_name++;
                  allow_null = 1;
               }
               str = zend_string_init_interned(class_name, strlen(class_name), 1);
               new_arg_info[i].type = ZEND_TYPE_ENCODE_CLASS(str, allow_null);
            }
         }
      }

      if (scope) {
         /* Look for ctor, dtor, clone
          * If it's an old-style constructor, store it only if we don't have
          * a constructor already.
          */
         if ((fname_len == class_name_len) && !ctor && !memcmp(ZSTR_VAL(lowercase_name), lc_class_name, class_name_len+1)) {
            ctor = reg_function;
         } else if (ZSTR_VAL(lowercase_name)[0] != '_' || ZSTR_VAL(lowercase_name)[1] != '_') {
            reg_function = NULL;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_CONSTRUCTOR_FUNC_NAME)) {
            ctor = reg_function;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_DESTRUCTOR_FUNC_NAME)) {
            dtor = reg_function;
            if (internal_function->num_args) {
               zend_error(error_type, "Destructor %s::%s() cannot take arguments", ZSTR_VAL(scope->name), ptr->fname);
            }
         } else if (zend_string_equals_literal(lowercase_name, ZEND_CLONE_FUNC_NAME)) {
            clone = reg_function;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_CALL_FUNC_NAME)) {
            __call = reg_function;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_CALLSTATIC_FUNC_NAME)) {
            __callstatic = reg_function;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_TOSTRING_FUNC_NAME)) {
            __tostring = reg_function;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_GET_FUNC_NAME)) {
            __get = reg_function;
            scope->ce_flags |= ZEND_ACC_USE_GUARDS;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_SET_FUNC_NAME)) {
            __set = reg_function;
            scope->ce_flags |= ZEND_ACC_USE_GUARDS;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_UNSET_FUNC_NAME)) {
            __unset = reg_function;
            scope->ce_flags |= ZEND_ACC_USE_GUARDS;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_ISSET_FUNC_NAME)) {
            __isset = reg_function;
            scope->ce_flags |= ZEND_ACC_USE_GUARDS;
         } else if (zend_string_equals_literal(lowercase_name, ZEND_DEBUGINFO_FUNC_NAME)) {
            __debugInfo = reg_function;
         } else {
            reg_function = NULL;
         }
         if (reg_function) {
            zend_check_magic_method_implementation(scope, reg_function, error_type);
         }
      }
      ptr++;
      count++;
      zend_string_release_ex(lowercase_name, 1);
   }
   if (unload) { /* before unloading, display all remaining bad function in the module */
      if (scope) {
         efree((char*)lc_class_name);
      }
      while (ptr->fname) {
         fname_len = strlen(ptr->fname);
         lowercase_name = zend_string_alloc(fname_len, 0);
         zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len);
         if (zend_hash_exists(target_function_table, lowercase_name)) {
            zend_error(error_type, "Function registration failed - duplicate name - %s%s%s", scope ? ZSTR_VAL(scope->name) : "", scope ? "::" : "", ptr->fname);
         }
         zend_string_efree(lowercase_name);
         ptr++;
      }
      zend_unregister_functions(functions, count, target_function_table);
      return FAILURE;
   }
   if (scope) {
      scope->constructor = ctor;
      scope->destructor = dtor;
      scope->clone = clone;
      scope->__call = __call;
      scope->__callstatic = __callstatic;
      scope->__tostring = __tostring;
      scope->__get = __get;
      scope->__set = __set;
      scope->__unset = __unset;
      scope->__isset = __isset;
      scope->__debugInfo = __debugInfo;
      if (ctor) {
         ctor->common.fn_flags |= ZEND_ACC_CTOR;
         if (ctor->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Constructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(ctor->common.function_name));
         }
         ctor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (dtor) {
         dtor->common.fn_flags |= ZEND_ACC_DTOR;
         if (dtor->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Destructor %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(dtor->common.function_name));
         }
         dtor->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (clone) {
         if (clone->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "%s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(clone->common.function_name));
         }
         clone->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__call) {
         if (__call->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__call->common.function_name));
         }
         __call->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__callstatic) {
         if (!(__callstatic->common.fn_flags & ZEND_ACC_STATIC)) {
            zend_error(error_type, "Method %s::%s() must be static", ZSTR_VAL(scope->name), ZSTR_VAL(__callstatic->common.function_name));
         }
         __callstatic->common.fn_flags |= ZEND_ACC_STATIC;
      }
      if (__tostring) {
         if (__tostring->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__tostring->common.function_name));
         }
         __tostring->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__get) {
         if (__get->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__get->common.function_name));
         }
         __get->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__set) {
         if (__set->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__set->common.function_name));
         }
         __set->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__unset) {
         if (__unset->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__unset->common.function_name));
         }
         __unset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__isset) {
         if (__isset->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__isset->common.function_name));
         }
         __isset->common.fn_flags &= ~ZEND_ACC_ALLOW_STATIC;
      }
      if (__debugInfo) {
         if (__debugInfo->common.fn_flags & ZEND_ACC_STATIC) {
            zend_error(error_type, "Method %s::%s() cannot be static", ZSTR_VAL(scope->name), ZSTR_VAL(__debugInfo->common.function_name));
         }
      }

      if (ctor && ctor->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && ctor->common.fn_flags & ZEND_ACC_CTOR) {
         zend_error_noreturn(E_CORE_ERROR, "Constructor %s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(ctor->common.function_name));
      }

      if (dtor && dtor->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE && dtor->common.fn_flags & ZEND_ACC_DTOR) {
         zend_error_noreturn(E_CORE_ERROR, "Destructor %s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(dtor->common.function_name));
      }

      if (clone && (clone->common.fn_flags & ZEND_ACC_HAS_RETURN_TYPE)) {
         zend_error_noreturn(E_CORE_ERROR, "%s::%s() cannot declare a return type", ZSTR_VAL(scope->name), ZSTR_VAL(clone->common.function_name));
      }
      efree((char*)lc_class_name);
   }
   return SUCCESS;
}
/* }}} */

/* count=-1 means erase all functions, otherwise,
 * erase the first count functions
 */
ZEND_API void zend_unregister_functions(const zend_function_entry *functions, int count, HashTable *function_table) /* {{{ */
{
   const zend_function_entry *ptr = functions;
   int i=0;
   HashTable *target_function_table = function_table;
   zend_string *lowercase_name;
   size_t fname_len;

   if (!target_function_table) {
      target_function_table = CG(function_table);
   }
   while (ptr->fname) {
      if (count!=-1 && i>=count) {
         break;
      }
      fname_len = strlen(ptr->fname);
      lowercase_name = zend_string_alloc(fname_len, 0);
      zend_str_tolower_copy(ZSTR_VAL(lowercase_name), ptr->fname, fname_len);
      zend_hash_del(target_function_table, lowercase_name);
      zend_string_efree(lowercase_name);
      ptr++;
      i++;
   }
}
/* }}} */

ZEND_API int zend_startup_module(zend_module_entry *module) /* {{{ */
{
   if ((module = zend_register_internal_module(module)) != NULL && zend_startup_module_ex(module) == SUCCESS) {
      return SUCCESS;
   }
   return FAILURE;
}
/* }}} */

ZEND_API int zend_get_module_started(const char *module_name) /* {{{ */
{
   zend_module_entry *module;

   module = zend_hash_str_find_ptr(&module_registry, module_name, strlen(module_name));
   return (module && module->module_started) ? SUCCESS : FAILURE;
}
/* }}} */

static int clean_module_class(zval *el, void *arg) /* {{{ */
{
   zend_class_entry *ce = (zend_class_entry *)Z_PTR_P(el);
   int module_number = *(int *)arg;
   if (ce->type == ZEND_INTERNAL_CLASS && ce->info.internal.module->module_number == module_number) {
      return ZEND_HASH_APPLY_REMOVE;
   } else {
      return ZEND_HASH_APPLY_KEEP;
   }
}
/* }}} */

static void clean_module_classes(int module_number) /* {{{ */
{
   zend_hash_apply_with_argument(EG(class_table), clean_module_class, (void *) &module_number);
}
/* }}} */

void module_destructor(zend_module_entry *module) /* {{{ */
{

   if (module->type == MODULE_TEMPORARY) {
      zend_clean_module_rsrc_dtors(module->module_number);
      clean_module_constants(module->module_number);
      clean_module_classes(module->module_number);
   }

   if (module->module_started && module->module_shutdown_func) {
#if 0
      zend_printf("%s: Module shutdown\n", module->name);
#endif
      module->module_shutdown_func(module->type, module->module_number);
   }

   /* Deinitilaise module globals */
   if (module->globals_size) {
#ifdef ZTS
      if (*module->globals_id_ptr) {
         ts_free_id(*module->globals_id_ptr);
      }
#else
      if (module->globals_dtor) {
         module->globals_dtor(module->globals_ptr);
      }
#endif
   }

   module->module_started=0;
   if (module->type == MODULE_TEMPORARY && module->functions) {
      zend_unregister_functions(module->functions, -1, NULL);
   }

#if HAVE_LIBDL
   if (module->handle && !getenv("ZEND_DONT_UNLOAD_MODULES")) {
      DL_UNLOAD(module->handle);
   }
#endif
}
/* }}} */

ZEND_API void zend_activate_modules(void) /* {{{ */
{
   zend_module_entry **p = module_request_startup_handlers;

   while (*p) {
      zend_module_entry *module = *p;

      if (module->request_startup_func(module->type, module->module_number)==FAILURE) {
         zend_error(E_WARNING, "request_startup() for %s module failed", module->name);
         exit(1);
      }
      p++;
   }
}
/* }}} */

/* call request shutdown for all modules */
static int module_registry_cleanup(zval *zv) /* {{{ */
{
   zend_module_entry *module = Z_PTR_P(zv);

   if (module->request_shutdown_func) {
#if 0
      zend_printf("%s: Request shutdown\n", module->name);
#endif
      module->request_shutdown_func(module->type, module->module_number);
   }
   return 0;
}
/* }}} */

ZEND_API void zend_deactivate_modules(void) /* {{{ */
{
   EG(current_execute_data) = NULL; /* we're no longer executing anything */

   zend_try {
      if (EG(full_tables_cleanup)) {
         zend_hash_reverse_apply(&module_registry, module_registry_cleanup);
      } else {
         zend_module_entry **p = module_request_shutdown_handlers;

         while (*p) {
            zend_module_entry *module = *p;

            module->request_shutdown_func(module->type, module->module_number);
            p++;
         }
      }
   } zend_end_try();
}
/* }}} */

ZEND_API void zend_cleanup_internal_classes(void) /* {{{ */
{
   zend_class_entry **p = class_cleanup_handlers;

   while (*p) {
      zend_cleanup_internal_class_data(*p);
      p++;
   }
}
/* }}} */

int module_registry_unload_temp(const zend_module_entry *module) /* {{{ */
{
   return (module->type == MODULE_TEMPORARY) ? ZEND_HASH_APPLY_REMOVE : ZEND_HASH_APPLY_STOP;
}
/* }}} */

static int module_registry_unload_temp_wrapper(zval *el) /* {{{ */
{
   zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el);
   return module_registry_unload_temp((const zend_module_entry *)module);
}
/* }}} */

static int exec_done_cb(zval *el) /* {{{ */
{
   zend_module_entry *module = (zend_module_entry *)Z_PTR_P(el);
   if (module->post_deactivate_func) {
      module->post_deactivate_func();
   }
   return 0;
}
/* }}} */

ZEND_API void zend_post_deactivate_modules(void) /* {{{ */
{
   if (EG(full_tables_cleanup)) {
      zend_hash_apply(&module_registry, exec_done_cb);
      zend_hash_reverse_apply(&module_registry, module_registry_unload_temp_wrapper);
   } else {
      zend_module_entry **p = module_post_deactivate_handlers;

      while (*p) {
         zend_module_entry *module = *p;

         module->post_deactivate_func();
         p++;
      }
   }
}
/* }}} */

/* return the next free module number */
ZEND_API int zend_next_free_module(void) /* {{{ */
{
   return zend_hash_num_elements(&module_registry) + 1;
}
/* }}} */

static zend_class_entry *do_register_internal_class(zend_class_entry *orig_class_entry, uint32_t ce_flags) /* {{{ */
{
   zend_class_entry *class_entry = malloc(sizeof(zend_class_entry));
   zend_string *lowercase_name;
   *class_entry = *orig_class_entry;

   class_entry->type = ZEND_INTERNAL_CLASS;
   zend_initialize_class_data(class_entry, 0);
   class_entry->ce_flags = ce_flags | ZEND_ACC_CONSTANTS_UPDATED;
   class_entry->info.internal.module = EG(current_module);

   if (class_entry->info.internal.builtin_functions) {
      zend_register_functions(class_entry, class_entry->info.internal.builtin_functions, &class_entry->function_table, MODULE_PERSISTENT);
   }

   lowercase_name = zend_string_tolower_ex(orig_class_entry->name, 1);
   lowercase_name = zend_new_interned_string(lowercase_name);
   zend_hash_update_ptr(CG(class_table), lowercase_name, class_entry);
   zend_string_release_ex(lowercase_name, 1);
   return class_entry;
}
/* }}} */

/* If parent_ce is not NULL then it inherits from parent_ce
 * If parent_ce is NULL and parent_name isn't then it looks for the parent and inherits from it
 * If both parent_ce and parent_name are NULL it does a regular class registration
 * If parent_name is specified but not found NULL is returned
 */
ZEND_API zend_class_entry *zend_register_internal_class_ex(zend_class_entry *class_entry, zend_class_entry *parent_ce) /* {{{ */
{
   zend_class_entry *register_class;

   register_class = zend_register_internal_class(class_entry);

   if (parent_ce) {
      zend_do_inheritance(register_class, parent_ce);
   }
   return register_class;
}
/* }}} */

ZEND_API void zend_class_implements(zend_class_entry *class_entry, int num_interfaces, ...) /* {{{ */
{
   zend_class_entry *interface_entry;
   va_list interface_list;
   va_start(interface_list, num_interfaces);

   while (num_interfaces--) {
      interface_entry = va_arg(interface_list, zend_class_entry *);
      zend_do_implement_interface(class_entry, interface_entry);
   }

   va_end(interface_list);
}
/* }}} */

/* A class that contains at least one abstract method automatically becomes an abstract class.
 */
ZEND_API zend_class_entry *zend_register_internal_class(zend_class_entry *orig_class_entry) /* {{{ */
{
   return do_register_internal_class(orig_class_entry, 0);
}
/* }}} */

ZEND_API zend_class_entry *zend_register_internal_interface(zend_class_entry *orig_class_entry) /* {{{ */
{
   return do_register_internal_class(orig_class_entry, ZEND_ACC_INTERFACE);
}
/* }}} */

ZEND_API int zend_register_class_alias_ex(const char *name, size_t name_len, zend_class_entry *ce, int persistent) /* {{{ */
{
   zend_string *lcname;

   if (name[0] == '\\') {
      lcname = zend_string_alloc(name_len-1, persistent);
      zend_str_tolower_copy(ZSTR_VAL(lcname), name+1, name_len-1);
   } else {
      lcname = zend_string_alloc(name_len, persistent);
      zend_str_tolower_copy(ZSTR_VAL(lcname), name, name_len);
   }

   zend_assert_valid_class_name(lcname);

   lcname = zend_new_interned_string(lcname);
   ce = zend_hash_add_ptr(CG(class_table), lcname, ce);
   zend_string_release_ex(lcname, 0);
   if (ce) {
      ce->refcount++;
      return SUCCESS;
   }
   return FAILURE;
}
/* }}} */

ZEND_API int zend_set_hash_symbol(zval *symbol, const char *name, int name_length, zend_bool is_ref, int num_symbol_tables, ...) /* {{{ */
{
   HashTable *symbol_table;
   va_list symbol_table_list;

   if (num_symbol_tables <= 0) return FAILURE;

   if (is_ref) {
      ZVAL_MAKE_REF(symbol);
   }

   va_start(symbol_table_list, num_symbol_tables);
   while (num_symbol_tables-- > 0) {
      symbol_table = va_arg(symbol_table_list, HashTable *);
      zend_hash_str_update(symbol_table, name, name_length, symbol);
      Z_TRY_ADDREF_P(symbol);
   }
   va_end(symbol_table_list);
   return SUCCESS;
}
/* }}} */

/* Disabled functions support */

/* {{{ proto void display_disabled_function(void)
Dummy function which displays an error when a disabled function is called. */
ZEND_API ZEND_FUNCTION(display_disabled_function)
{
   zend_error(E_WARNING, "%s() has been disabled for security reasons", get_active_function_name());
}
/* }}} */

ZEND_API int zend_disable_function(char *function_name, size_t function_name_length) /* {{{ */
{
   zend_internal_function *func;
   if ((func = zend_hash_str_find_ptr(CG(function_table), function_name, function_name_length))) {
       func->fn_flags &= ~(ZEND_ACC_VARIADIC | ZEND_ACC_HAS_TYPE_HINTS);
      func->num_args = 0;
      func->arg_info = NULL;
      func->handler = ZEND_FN(display_disabled_function);
      return SUCCESS;
   }
   return FAILURE;
}
/* }}} */

#ifdef ZEND_WIN32
#pragma optimize("", off)
#endif
static zend_object *display_disabled_class(zend_class_entry *class_type) /* {{{ */
{
   zend_object *intern;

   intern = zend_objects_new(class_type);
   zend_error(E_WARNING, "%s() has been disabled for security reasons", ZSTR_VAL(class_type->name));
   return intern;
}
#ifdef ZEND_WIN32
#pragma optimize("", on)
#endif
/* }}} */

static const zend_function_entry disabled_class_new[] = {
   ZEND_FE_END
};

ZEND_API int zend_disable_class(char *class_name, size_t class_name_length) /* {{{ */
{
   zend_class_entry *disabled_class;
   zend_string *key;

   key = zend_string_alloc(class_name_length, 0);
   zend_str_tolower_copy(ZSTR_VAL(key), class_name, class_name_length);
   disabled_class = zend_hash_find_ptr(CG(class_table), key);
   zend_string_release_ex(key, 0);
   if (!disabled_class) {
      return FAILURE;
   }
   INIT_CLASS_ENTRY_INIT_METHODS((*disabled_class), disabled_class_new);
   disabled_class->create_object = display_disabled_class;
   zend_hash_clean(&disabled_class->function_table);
   return SUCCESS;
}
/* }}} */

static int zend_is_callable_check_class(zend_string *name, zend_class_entry *scope, zend_fcall_info_cache *fcc, int *strict_class, char **error) /* {{{ */
{
   int ret = 0;
   zend_class_entry *ce;
   size_t name_len = ZSTR_LEN(name);
   zend_string *lcname;
   ALLOCA_FLAG(use_heap);

   ZSTR_ALLOCA_ALLOC(lcname, name_len, use_heap);
   zend_str_tolower_copy(ZSTR_VAL(lcname), ZSTR_VAL(name), name_len);

   *strict_class = 0;
   if (zend_string_equals_literal(lcname, "self")) {
      if (!scope) {
         if (error) *error = estrdup("cannot access self:: when no class scope is active");
      } else {
         fcc->called_scope = zend_get_called_scope(EG(current_execute_data));
         fcc->calling_scope = scope;
         if (!fcc->object) {
            fcc->object = zend_get_this_object(EG(current_execute_data));
         }
         ret = 1;
      }
   } else if (zend_string_equals_literal(lcname, "parent")) {
      if (!scope) {
         if (error) *error = estrdup("cannot access parent:: when no class scope is active");
      } else if (!scope->parent) {
         if (error) *error = estrdup("cannot access parent:: when current class scope has no parent");
      } else {
         fcc->called_scope = zend_get_called_scope(EG(current_execute_data));
         fcc->calling_scope = scope->parent;
         if (!fcc->object) {
            fcc->object = zend_get_this_object(EG(current_execute_data));
         }
         *strict_class = 1;
         ret = 1;
      }
   } else if (zend_string_equals_literal(lcname, "static")) {
      zend_class_entry *called_scope = zend_get_called_scope(EG(current_execute_data));

      if (!called_scope) {
         if (error) *error = estrdup("cannot access static:: when no class scope is active");
      } else {
         fcc->called_scope = called_scope;
         fcc->calling_scope = called_scope;
         if (!fcc->object) {
            fcc->object = zend_get_this_object(EG(current_execute_data));
         }
         *strict_class = 1;
         ret = 1;
      }
   } else if ((ce = zend_lookup_class_ex(name, NULL, 1)) != NULL) {
      zend_class_entry *scope;
      zend_execute_data *ex = EG(current_execute_data);

      while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) {
         ex = ex->prev_execute_data;
      }
      scope = ex ? ex->func->common.scope : NULL;
      fcc->calling_scope = ce;
      if (scope && !fcc->object) {
         zend_object *object = zend_get_this_object(EG(current_execute_data));

         if (object &&
             instanceof_function(object->ce, scope) &&
             instanceof_function(scope, ce)) {
            fcc->object = object;
            fcc->called_scope = object->ce;
         } else {
            fcc->called_scope = ce;
         }
      } else {
         fcc->called_scope = fcc->object ? fcc->object->ce : ce;
      }
      *strict_class = 1;
      ret = 1;
   } else {
      if (error) zend_spprintf(error, 0, "class '%.*s' not found", (int)name_len, ZSTR_VAL(name));
   }
   ZSTR_ALLOCA_FREE(lcname, use_heap);
   return ret;
}
/* }}} */

static zend_always_inline int zend_is_callable_check_func(int check_flags, zval *callable, zend_fcall_info_cache *fcc, int strict_class, char **error) /* {{{ */
{
   zend_class_entry *ce_org = fcc->calling_scope;
   int retval = 0;
   zend_string *mname, *cname;
   zend_string *lmname;
   const char *colon;
   size_t clen;
   HashTable *ftable;
   int call_via_handler = 0;
   zend_class_entry *scope;
   zval *zv;
   ALLOCA_FLAG(use_heap)

   fcc->calling_scope = NULL;

   if (!ce_org) {
      zend_function *func;
      zend_string *lmname;

      /* Check if function with given name exists.
       * This may be a compound name that includes namespace name */
      if (UNEXPECTED(Z_STRVAL_P(callable)[0] == '\\')) {
         /* Skip leading \ */
         ZSTR_ALLOCA_ALLOC(lmname, Z_STRLEN_P(callable) - 1, use_heap);
         zend_str_tolower_copy(ZSTR_VAL(lmname), Z_STRVAL_P(callable) + 1, Z_STRLEN_P(callable) - 1);
         func = zend_fetch_function(lmname);
         ZSTR_ALLOCA_FREE(lmname, use_heap);
      } else {
         lmname = Z_STR_P(callable);
         func = zend_fetch_function(lmname);
         if (!func) {
            ZSTR_ALLOCA_ALLOC(lmname, Z_STRLEN_P(callable), use_heap);
            zend_str_tolower_copy(ZSTR_VAL(lmname), Z_STRVAL_P(callable), Z_STRLEN_P(callable));
            func = zend_fetch_function(lmname);
            ZSTR_ALLOCA_FREE(lmname, use_heap);
         }
      }
      if (EXPECTED(func != NULL)) {
         fcc->function_handler = func;
         return 1;
      }
   }

   /* Split name into class/namespace and method/function names */
   if ((colon = zend_memrchr(Z_STRVAL_P(callable), ':', Z_STRLEN_P(callable))) != NULL &&
      colon > Z_STRVAL_P(callable) &&
      *(colon-1) == ':'
   ) {
      size_t mlen;

      colon--;
      clen = colon - Z_STRVAL_P(callable);
      mlen = Z_STRLEN_P(callable) - clen - 2;

      if (colon == Z_STRVAL_P(callable)) {
         if (error) *error = estrdup("invalid function name");
         return 0;
      }

      /* This is a compound name.
       * Try to fetch class and then find static method. */
      if (ce_org) {
         scope = ce_org;
      } else {
         scope = zend_get_executed_scope();
      }

      cname = zend_string_init(Z_STRVAL_P(callable), clen, 0);
      if (!zend_is_callable_check_class(cname, scope, fcc, &strict_class, error)) {
         zend_string_release_ex(cname, 0);
         return 0;
      }
      zend_string_release_ex(cname, 0);

      ftable = &fcc->calling_scope->function_table;
      if (ce_org && !instanceof_function(ce_org, fcc->calling_scope)) {
         if (error) zend_spprintf(error, 0, "class '%s' is not a subclass of '%s'", ZSTR_VAL(ce_org->name), ZSTR_VAL(fcc->calling_scope->name));
         return 0;
      }
      mname = zend_string_init(Z_STRVAL_P(callable) + clen + 2, mlen, 0);
   } else if (ce_org) {
      /* Try to fetch find static method of given class. */
      mname = Z_STR_P(callable);
      zend_string_addref(mname);
      ftable = &ce_org->function_table;
      fcc->calling_scope = ce_org;
   } else {
      /* We already checked for plain function before. */
      if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
         zend_spprintf(error, 0, "function '%s' not found or invalid function name", Z_STRVAL_P(callable));
      }
      return 0;
   }

   lmname = zend_string_tolower(mname);
   if (strict_class &&
       fcc->calling_scope &&
      zend_string_equals_literal(lmname, ZEND_CONSTRUCTOR_FUNC_NAME)) {
      fcc->function_handler = fcc->calling_scope->constructor;
      if (fcc->function_handler) {
         retval = 1;
      }
   } else if ((zv = zend_hash_find(ftable, lmname)) != NULL) {
      fcc->function_handler = Z_PTR_P(zv);
      retval = 1;
      if ((fcc->function_handler->op_array.fn_flags & ZEND_ACC_CHANGED) &&
          !strict_class) {
         scope = zend_get_executed_scope();
         if (scope &&
             instanceof_function(fcc->function_handler->common.scope, scope)) {

            zv = zend_hash_find(&scope->function_table, lmname);
            if (zv != NULL) {
               zend_function *priv_fbc = Z_PTR_P(zv);

               if (priv_fbc->common.fn_flags & ZEND_ACC_PRIVATE
                && priv_fbc->common.scope == scope) {
                  fcc->function_handler = priv_fbc;
               }
            }
         }
      }
      if ((check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0 &&
          (fcc->calling_scope &&
           ((fcc->object && fcc->calling_scope->__call) ||
            (!fcc->object && fcc->calling_scope->__callstatic)))) {
         if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
            scope = zend_get_executed_scope();
            if (!zend_check_private(fcc->function_handler, fcc->object ? fcc->object->ce : scope, lmname)) {
               retval = 0;
               fcc->function_handler = NULL;
               goto get_function_via_handler;
            }
         } else if (fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED) {
            scope = zend_get_executed_scope();
            if (!zend_check_protected(fcc->function_handler->common.scope, scope)) {
               retval = 0;
               fcc->function_handler = NULL;
               goto get_function_via_handler;
            }
         }
      }
   } else {
get_function_via_handler:
      if (fcc->object && fcc->calling_scope == ce_org) {
         if (strict_class && ce_org->__call) {
            fcc->function_handler = zend_get_call_trampoline_func(ce_org, mname, 0);
            call_via_handler = 1;
            retval = 1;
         } else if (fcc->object->handlers->get_method) {
            fcc->function_handler = fcc->object->handlers->get_method(&fcc->object, mname, NULL);
            if (fcc->function_handler) {
               if (strict_class &&
                   (!fcc->function_handler->common.scope ||
                    !instanceof_function(ce_org, fcc->function_handler->common.scope))) {
                  if (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) {
                     if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
                        fcc->function_handler->common.function_name) {
                        zend_string_release_ex(fcc->function_handler->common.function_name, 0);
                     }
                     zend_free_trampoline(fcc->function_handler);
                  }
               } else {
                  retval = 1;
                  call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0;
               }
            }
         }
      } else if (fcc->calling_scope) {
         if (fcc->calling_scope->get_static_method) {
            fcc->function_handler = fcc->calling_scope->get_static_method(fcc->calling_scope, mname);
         } else {
            fcc->function_handler = zend_std_get_static_method(fcc->calling_scope, mname, NULL);
         }
         if (fcc->function_handler) {
            retval = 1;
            call_via_handler = (fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) != 0;
            if (call_via_handler && !fcc->object) {
               zend_object *object = zend_get_this_object(EG(current_execute_data));
               if (object &&
                   instanceof_function(object->ce, fcc->calling_scope)) {
                  fcc->object = object;
               }
            }
         }
      }
   }

   if (retval) {
      if (fcc->calling_scope && !call_via_handler) {
         if (fcc->function_handler->common.fn_flags & ZEND_ACC_ABSTRACT) {
            if (error) {
               zend_spprintf(error, 0, "cannot call abstract method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
               retval = 0;
            } else {
               zend_throw_error(NULL, "Cannot call abstract method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
               retval = 0;
            }
         } else if (!fcc->object && !(fcc->function_handler->common.fn_flags & ZEND_ACC_STATIC)) {
            int severity;
            char *verb;
            if (fcc->function_handler->common.fn_flags & ZEND_ACC_ALLOW_STATIC) {
               severity = E_DEPRECATED;
               verb = "should not";
            } else {
               /* An internal function assumes $this is present and won't check that. So PHP would crash by allowing the call. */
               severity = E_ERROR;
               verb = "cannot";
            }
            if ((check_flags & IS_CALLABLE_CHECK_IS_STATIC) != 0) {
               retval = 0;
            }
            if (error) {
               zend_spprintf(error, 0, "non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
               if (severity != E_DEPRECATED) {
                  retval = 0;
               }
            } else if (retval) {
               if (severity == E_ERROR) {
                  zend_throw_error(NULL, "Non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
               } else {
                  zend_error(severity, "Non-static method %s::%s() %s be called statically", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name), verb);
               }
            }
         }
         if (retval && (check_flags & IS_CALLABLE_CHECK_NO_ACCESS) == 0) {
            if (fcc->function_handler->op_array.fn_flags & ZEND_ACC_PRIVATE) {
               scope = zend_get_executed_scope();
               if (!zend_check_private(fcc->function_handler, fcc->object ? fcc->object->ce : scope, lmname)) {
                  if (error) {
                     if (*error) {
                        efree(*error);
                     }
                     zend_spprintf(error, 0, "cannot access private method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
                  }
                  retval = 0;
               }
            } else if ((fcc->function_handler->common.fn_flags & ZEND_ACC_PROTECTED)) {
               scope = zend_get_executed_scope();
               if (!zend_check_protected(fcc->function_handler->common.scope, scope)) {
                  if (error) {
                     if (*error) {
                        efree(*error);
                     }
                     zend_spprintf(error, 0, "cannot access protected method %s::%s()", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(fcc->function_handler->common.function_name));
                  }
                  retval = 0;
               }
            }
         }
      }
   } else if (error && !(check_flags & IS_CALLABLE_CHECK_SILENT)) {
      if (fcc->calling_scope) {
         if (error) zend_spprintf(error, 0, "class '%s' does not have a method '%s'", ZSTR_VAL(fcc->calling_scope->name), ZSTR_VAL(mname));
      } else {
         if (error) zend_spprintf(error, 0, "function '%s' does not exist", ZSTR_VAL(mname));
      }
   }
   zend_string_release_ex(lmname, 0);
   zend_string_release_ex(mname, 0);

   if (fcc->object) {
      fcc->called_scope = fcc->object->ce;
   }
   return retval;
}
/* }}} */

static zend_string *zend_create_method_string(zend_string *class_name, zend_string *method_name) {
   zend_string *callable_name = zend_string_alloc(
      ZSTR_LEN(class_name) + ZSTR_LEN(method_name) + sizeof("::") - 1, 0);
   char *ptr = ZSTR_VAL(callable_name);
   memcpy(ptr, ZSTR_VAL(class_name), ZSTR_LEN(class_name));
   ptr += ZSTR_LEN(class_name);
   memcpy(ptr, "::", sizeof("::") - 1);
   ptr += sizeof("::") - 1;
   memcpy(ptr, ZSTR_VAL(method_name), ZSTR_LEN(method_name) + 1);
   return callable_name;
}

ZEND_API zend_string *zend_get_callable_name_ex(zval *callable, zend_object *object) /* {{{ */
{
try_again:
   switch (Z_TYPE_P(callable)) {
      case IS_STRING:
         if (object) {
            return zend_create_method_string(object->ce->name, Z_STR_P(callable));
         }
         return zend_string_copy(Z_STR_P(callable));

      case IS_ARRAY:
      {
         zval *method = NULL;
         zval *obj = NULL;

         if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
            obj = zend_hash_index_find_deref(Z_ARRVAL_P(callable), 0);
            method = zend_hash_index_find_deref(Z_ARRVAL_P(callable), 1);
         }

         if (obj == NULL || method == NULL || Z_TYPE_P(method) != IS_STRING) {
            return zend_string_init("Array", sizeof("Array")-1, 0);
         }

         if (Z_TYPE_P(obj) == IS_STRING) {
            return zend_create_method_string(Z_STR_P(obj), Z_STR_P(method));
         } else if (Z_TYPE_P(obj) == IS_OBJECT) {
            return zend_create_method_string(Z_OBJCE_P(obj)->name, Z_STR_P(method));
         } else {
            return zend_string_init("Array", sizeof("Array")-1, 0);
         }
      }
      case IS_OBJECT:
      {
         zend_class_entry *calling_scope;
         zend_function *fptr;
         zend_object *object;
         if (Z_OBJ_HANDLER_P(callable, get_closure)
               && Z_OBJ_HANDLER_P(callable, get_closure)(callable, &calling_scope, &fptr, &object) == SUCCESS) {
            zend_class_entry *ce = Z_OBJCE_P(callable);
            zend_string *callable_name = zend_string_alloc(
               ZSTR_LEN(ce->name) + sizeof("::__invoke") - 1, 0);
            memcpy(ZSTR_VAL(callable_name), ZSTR_VAL(ce->name), ZSTR_LEN(ce->name));
            memcpy(ZSTR_VAL(callable_name) + ZSTR_LEN(ce->name), "::__invoke", sizeof("::__invoke"));
            return callable_name;
         }
         return zval_get_string(callable);
      }
      case IS_REFERENCE:
         callable = Z_REFVAL_P(callable);
         goto try_again;
      default:
         return zval_get_string_func(callable);
   }
}
/* }}} */

ZEND_API zend_string *zend_get_callable_name(zval *callable) /* {{{ */
{
   return zend_get_callable_name_ex(callable, NULL);
}
/* }}} */

static zend_always_inline zend_bool zend_is_callable_impl(zval *callable, zend_object *object, uint32_t check_flags, zend_fcall_info_cache *fcc, char **error) /* {{{ */
{
   zend_bool ret;
   zend_fcall_info_cache fcc_local;
   int strict_class = 0;

   if (fcc == NULL) {
      fcc = &fcc_local;
   }
   if (error) {
      *error = NULL;
   }

   fcc->calling_scope = NULL;
   fcc->called_scope = NULL;
   fcc->function_handler = NULL;
   fcc->object = NULL;

again:
   switch (Z_TYPE_P(callable)) {
      case IS_STRING:
         if (object) {
            fcc->object = object;
            fcc->calling_scope = object->ce;
         }

         if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
            fcc->called_scope = fcc->calling_scope;
            return 1;
         }

check_func:
         ret = zend_is_callable_check_func(check_flags, callable, fcc, strict_class, error);
         if (fcc == &fcc_local &&
             fcc->function_handler &&
            ((fcc->function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
              fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
              fcc->function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
            if (fcc->function_handler->type != ZEND_OVERLOADED_FUNCTION &&
               fcc->function_handler->common.function_name) {
               zend_string_release_ex(fcc->function_handler->common.function_name, 0);
            }
            zend_free_trampoline(fcc->function_handler);
         }
         return ret;

      case IS_ARRAY:
         {
            zval *method = NULL;
            zval *obj = NULL;

            if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
               obj = zend_hash_index_find(Z_ARRVAL_P(callable), 0);
               method = zend_hash_index_find(Z_ARRVAL_P(callable), 1);
            }

            do {
               if (obj == NULL || method == NULL) {
                  break;
               }

               ZVAL_DEREF(method);
               if (Z_TYPE_P(method) != IS_STRING) {
                  break;
               }

               ZVAL_DEREF(obj);
               if (Z_TYPE_P(obj) == IS_STRING) {
                  if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
                     return 1;
                  }

                  if (!zend_is_callable_check_class(Z_STR_P(obj), zend_get_executed_scope(), fcc, &strict_class, error)) {
                     return 0;
                  }

               } else if (Z_TYPE_P(obj) == IS_OBJECT) {

                  fcc->calling_scope = Z_OBJCE_P(obj); /* TBFixed: what if it's overloaded? */

                  fcc->object = Z_OBJ_P(obj);

                  if (check_flags & IS_CALLABLE_CHECK_SYNTAX_ONLY) {
                     fcc->called_scope = fcc->calling_scope;
                     return 1;
                  }
               } else {
                  break;
               }

               callable = method;
               goto check_func;

            } while (0);
            if (zend_hash_num_elements(Z_ARRVAL_P(callable)) == 2) {
               if (!obj || (!Z_ISREF_P(obj)?
                        (Z_TYPE_P(obj) != IS_STRING && Z_TYPE_P(obj) != IS_OBJECT) :
                        (Z_TYPE_P(Z_REFVAL_P(obj)) != IS_STRING && Z_TYPE_P(Z_REFVAL_P(obj)) != IS_OBJECT))) {
                  if (error) *error = estrdup("first array member is not a valid class name or object");
               } else {
                  if (error) *error = estrdup("second array member is not a valid method");
               }
            } else {
               if (error) *error = estrdup("array must have exactly two members");
            }
         }
         return 0;
      case IS_OBJECT:
         if (Z_OBJ_HANDLER_P(callable, get_closure) && Z_OBJ_HANDLER_P(callable, get_closure)(callable, &fcc->calling_scope, &fcc->function_handler, &fcc->object) == SUCCESS) {
            fcc->called_scope = fcc->calling_scope;
            return 1;
         }
         if (error) *error = estrdup("no array or string given");
         return 0;
      case IS_REFERENCE:
         callable = Z_REFVAL_P(callable);
         goto again;
      default:
         if (error) *error = estrdup("no array or string given");
         return 0;
   }
}
/* }}} */

ZEND_API zend_bool zend_is_callable_ex(zval *callable, zend_object *object, uint32_t check_flags, zend_string **callable_name, zend_fcall_info_cache *fcc, char **error) /* {{{ */
{
   zend_bool ret = zend_is_callable_impl(callable, object, check_flags, fcc, error);
   if (callable_name) {
      *callable_name = zend_get_callable_name_ex(callable, object);
   }
   return ret;
}

ZEND_API zend_bool zend_is_callable(zval *callable, uint32_t check_flags, zend_string **callable_name) /* {{{ */
{
   return zend_is_callable_ex(callable, NULL, check_flags, callable_name, NULL, NULL);
}
/* }}} */

ZEND_API zend_bool zend_make_callable(zval *callable, zend_string **callable_name) /* {{{ */
{
   zend_fcall_info_cache fcc;

   if (zend_is_callable_ex(callable, NULL, IS_CALLABLE_STRICT, callable_name, &fcc, NULL)) {
      if (Z_TYPE_P(callable) == IS_STRING && fcc.calling_scope) {
         zval_ptr_dtor_str(callable);
         array_init(callable);
         add_next_index_str(callable, zend_string_copy(fcc.calling_scope->name));
         add_next_index_str(callable, zend_string_copy(fcc.function_handler->common.function_name));
      }
      if (fcc.function_handler &&
         ((fcc.function_handler->common.fn_flags & ZEND_ACC_CALL_VIA_TRAMPOLINE) ||
           fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION_TEMPORARY ||
           fcc.function_handler->type == ZEND_OVERLOADED_FUNCTION)) {
         if (fcc.function_handler->type != ZEND_OVERLOADED_FUNCTION) {
            zend_string_release_ex(fcc.function_handler->common.function_name, 0);
         }
         zend_free_trampoline(fcc.function_handler);
      }
      return 1;
   }
   return 0;
}
/* }}} */

ZEND_API int zend_fcall_info_init(zval *callable, uint32_t check_flags, zend_fcall_info *fci, zend_fcall_info_cache *fcc, zend_string **callable_name, char **error) /* {{{ */
{
   if (!zend_is_callable_ex(callable, NULL, check_flags, callable_name, fcc, error)) {
      return FAILURE;
   }

   fci->size = sizeof(*fci);
   fci->object = fcc->object;
   ZVAL_COPY_VALUE(&fci->function_name, callable);
   fci->retval = NULL;
   fci->param_count = 0;
   fci->params = NULL;
   fci->no_separation = 1;

   return SUCCESS;
}
/* }}} */

ZEND_API void zend_fcall_info_args_clear(zend_fcall_info *fci, int free_mem) /* {{{ */
{
   if (fci->params) {
      zval *p = fci->params;
      zval *end = p + fci->param_count;

      while (p != end) {
         i_zval_ptr_dtor(p ZEND_FILE_LINE_CC);
         p++;
      }
      if (free_mem) {
         efree(fci->params);
         fci->params = NULL;
      }
   }
   fci->param_count = 0;
}
/* }}} */

ZEND_API void zend_fcall_info_args_save(zend_fcall_info *fci, int *param_count, zval **params) /* {{{ */
{
   *param_count = fci->param_count;
   *params = fci->params;
   fci->param_count = 0;
   fci->params = NULL;
}
/* }}} */

ZEND_API void zend_fcall_info_args_restore(zend_fcall_info *fci, int param_count, zval *params) /* {{{ */
{
   zend_fcall_info_args_clear(fci, 1);
   fci->param_count = param_count;
   fci->params = params;
}
/* }}} */

ZEND_API int zend_fcall_info_args_ex(zend_fcall_info *fci, zend_function *func, zval *args) /* {{{ */
{
   zval *arg, *params;
   uint32_t n = 1;

   zend_fcall_info_args_clear(fci, !args);

   if (!args) {
      return SUCCESS;
   }

   if (Z_TYPE_P(args) != IS_ARRAY) {
      return FAILURE;
   }

   fci->param_count = zend_hash_num_elements(Z_ARRVAL_P(args));
   fci->params = params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval));

   ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(args), arg) {
      if (func && !Z_ISREF_P(arg) && ARG_SHOULD_BE_SENT_BY_REF(func, n)) {
         ZVAL_NEW_REF(params, arg);
         Z_TRY_ADDREF_P(arg);
      } else {
         ZVAL_COPY(params, arg);
      }
      params++;
      n++;
   } ZEND_HASH_FOREACH_END();

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_fcall_info_args(zend_fcall_info *fci, zval *args) /* {{{ */
{
   return zend_fcall_info_args_ex(fci, NULL, args);
}
/* }}} */

ZEND_API int zend_fcall_info_argp(zend_fcall_info *fci, int argc, zval *argv) /* {{{ */
{
   int i;

   if (argc < 0) {
      return FAILURE;
   }

   zend_fcall_info_args_clear(fci, !argc);

   if (argc) {
      fci->param_count = argc;
      fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval));

      for (i = 0; i < argc; ++i) {
         ZVAL_COPY(&fci->params[i], &argv[i]);
      }
   }

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_fcall_info_argv(zend_fcall_info *fci, int argc, va_list *argv) /* {{{ */
{
   int i;
   zval *arg;

   if (argc < 0) {
      return FAILURE;
   }

   zend_fcall_info_args_clear(fci, !argc);

   if (argc) {
      fci->param_count = argc;
      fci->params = (zval *) erealloc(fci->params, fci->param_count * sizeof(zval));

      for (i = 0; i < argc; ++i) {
         arg = va_arg(*argv, zval *);
         ZVAL_COPY(&fci->params[i], arg);
      }
   }

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_fcall_info_argn(zend_fcall_info *fci, int argc, ...) /* {{{ */
{
   int ret;
   va_list argv;

   va_start(argv, argc);
   ret = zend_fcall_info_argv(fci, argc, &argv);
   va_end(argv);

   return ret;
}
/* }}} */

ZEND_API int zend_fcall_info_call(zend_fcall_info *fci, zend_fcall_info_cache *fcc, zval *retval_ptr, zval *args) /* {{{ */
{
   zval retval, *org_params = NULL;
   int result, org_count = 0;

   fci->retval = retval_ptr ? retval_ptr : &retval;
   if (args) {
      zend_fcall_info_args_save(fci, &org_count, &org_params);
      zend_fcall_info_args(fci, args);
   }
   result = zend_call_function(fci, fcc);

   if (!retval_ptr && Z_TYPE(retval) != IS_UNDEF) {
      zval_ptr_dtor(&retval);
   }
   if (args) {
      zend_fcall_info_args_restore(fci, org_count, org_params);
   }
   return result;
}
/* }}} */

ZEND_API const char *zend_get_module_version(const char *module_name) /* {{{ */
{
   zend_string *lname;
   size_t name_len = strlen(module_name);
   zend_module_entry *module;

   lname = zend_string_alloc(name_len, 0);
   zend_str_tolower_copy(ZSTR_VAL(lname), module_name, name_len);
   module = zend_hash_find_ptr(&module_registry, lname);
   zend_string_efree(lname);
   return module ? module->version : NULL;
}
/* }}} */

static inline zend_string *zval_make_interned_string(zval *zv) /* {{{ */
{
   ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING);
   Z_STR_P(zv) = zend_new_interned_string(Z_STR_P(zv));
   if (ZSTR_IS_INTERNED(Z_STR_P(zv))) {
      Z_TYPE_FLAGS_P(zv) = 0;
   }
   return Z_STR_P(zv);
}

ZEND_API int zend_declare_property_ex(zend_class_entry *ce, zend_string *name, zval *property, int access_type, zend_string *doc_comment) /* {{{ */
{
   zend_property_info *property_info, *property_info_ptr;

   if (ce->type == ZEND_INTERNAL_CLASS) {
      property_info = pemalloc(sizeof(zend_property_info), 1);
   } else {
      property_info = zend_arena_alloc(&CG(arena), sizeof(zend_property_info));
      if (Z_TYPE_P(property) == IS_CONSTANT_AST) {
         ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
      }
   }

   if (Z_TYPE_P(property) == IS_STRING && !ZSTR_IS_INTERNED(Z_STR_P(property))) {
      zval_make_interned_string(property);
   }

   if (!(access_type & ZEND_ACC_PPP_MASK)) {
      access_type |= ZEND_ACC_PUBLIC;
   }
   if (access_type & ZEND_ACC_STATIC) {
      if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL &&
          (property_info_ptr->flags & ZEND_ACC_STATIC) != 0) {
         property_info->offset = property_info_ptr->offset;
         zval_ptr_dtor(&ce->default_static_members_table[property_info->offset]);
         zend_hash_del(&ce->properties_info, name);
      } else {
         property_info->offset = ce->default_static_members_count++;
         ce->default_static_members_table = perealloc(ce->default_static_members_table, sizeof(zval) * ce->default_static_members_count, ce->type == ZEND_INTERNAL_CLASS);
      }
      ZVAL_COPY_VALUE(&ce->default_static_members_table[property_info->offset], property);
      if (ce->type == ZEND_USER_CLASS) {
         ce->static_members_table = ce->default_static_members_table;
      }
   } else {
      if ((property_info_ptr = zend_hash_find_ptr(&ce->properties_info, name)) != NULL &&
          (property_info_ptr->flags & ZEND_ACC_STATIC) == 0) {
         property_info->offset = property_info_ptr->offset;
         zval_ptr_dtor(&ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)]);
         zend_hash_del(&ce->properties_info, name);
      } else {
         property_info->offset = OBJ_PROP_TO_OFFSET(ce->default_properties_count);
         ce->default_properties_count++;
         ce->default_properties_table = perealloc(ce->default_properties_table, sizeof(zval) * ce->default_properties_count, ce->type == ZEND_INTERNAL_CLASS);
      }
      ZVAL_COPY_VALUE(&ce->default_properties_table[OBJ_PROP_TO_NUM(property_info->offset)], property);
   }
   if (ce->type & ZEND_INTERNAL_CLASS) {
      switch(Z_TYPE_P(property)) {
         case IS_ARRAY:
         case IS_OBJECT:
         case IS_RESOURCE:
            zend_error_noreturn(E_CORE_ERROR, "Internal zval's can't be arrays, objects or resources");
            break;
         default:
            break;
      }

      /* Must be interned to avoid ZTS data races */
      name = zend_new_interned_string(zend_string_copy(name));
   }

   if (access_type & ZEND_ACC_PUBLIC) {
      property_info->name = zend_string_copy(name);
   } else if (access_type & ZEND_ACC_PRIVATE) {
      property_info->name = zend_mangle_property_name(ZSTR_VAL(ce->name), ZSTR_LEN(ce->name), ZSTR_VAL(name), ZSTR_LEN(name), ce->type & ZEND_INTERNAL_CLASS);
   } else {
      ZEND_ASSERT(access_type & ZEND_ACC_PROTECTED);
      property_info->name = zend_mangle_property_name("*", 1, ZSTR_VAL(name), ZSTR_LEN(name), ce->type & ZEND_INTERNAL_CLASS);
   }

   property_info->name = zend_new_interned_string(property_info->name);
   property_info->flags = access_type;
   property_info->doc_comment = doc_comment;
   property_info->ce = ce;
   zend_hash_update_ptr(&ce->properties_info, name, property_info);

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_declare_property(zend_class_entry *ce, const char *name, size_t name_length, zval *property, int access_type) /* {{{ */
{
   zend_string *key = zend_string_init(name, name_length, ce->type & ZEND_INTERNAL_CLASS);
   int ret = zend_declare_property_ex(ce, key, property, access_type, NULL);
   zend_string_release(key);
   return ret;
}
/* }}} */

ZEND_API int zend_declare_property_null(zend_class_entry *ce, const char *name, size_t name_length, int access_type) /* {{{ */
{
   zval property;

   ZVAL_NULL(&property);
   return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */

ZEND_API int zend_declare_property_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_long value, int access_type) /* {{{ */
{
   zval property;

   ZVAL_BOOL(&property, value);
   return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */

ZEND_API int zend_declare_property_long(zend_class_entry *ce, const char *name, size_t name_length, zend_long value, int access_type) /* {{{ */
{
   zval property;

   ZVAL_LONG(&property, value);
   return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */

ZEND_API int zend_declare_property_double(zend_class_entry *ce, const char *name, size_t name_length, double value, int access_type) /* {{{ */
{
   zval property;

   ZVAL_DOUBLE(&property, value);
   return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */

ZEND_API int zend_declare_property_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value, int access_type) /* {{{ */
{
   zval property;

   ZVAL_NEW_STR(&property, zend_string_init(value, strlen(value), ce->type & ZEND_INTERNAL_CLASS));
   return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */

ZEND_API int zend_declare_property_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_len, int access_type) /* {{{ */
{
   zval property;

   ZVAL_NEW_STR(&property, zend_string_init(value, value_len, ce->type & ZEND_INTERNAL_CLASS));
   return zend_declare_property(ce, name, name_length, &property, access_type);
}
/* }}} */

ZEND_API int zend_declare_class_constant_ex(zend_class_entry *ce, zend_string *name, zval *value, int access_type, zend_string *doc_comment) /* {{{ */
{
   zend_class_constant *c;

   if (ce->ce_flags & ZEND_ACC_INTERFACE) {
      if (access_type != ZEND_ACC_PUBLIC) {
         zend_error_noreturn(E_COMPILE_ERROR, "Access type for interface constant %s::%s must be public", ZSTR_VAL(ce->name), ZSTR_VAL(name));
      }
   }

   if (zend_string_equals_literal_ci(name, "class")) {
      zend_error_noreturn(ce->type == ZEND_INTERNAL_CLASS ? E_CORE_ERROR : E_COMPILE_ERROR,
            "A class constant must not be called 'class'; it is reserved for class name fetching");
   }

   if (Z_TYPE_P(value) == IS_STRING && !ZSTR_IS_INTERNED(Z_STR_P(value))) {
      zval_make_interned_string(value);
   }

   if (ce->type == ZEND_INTERNAL_CLASS) {
      c = pemalloc(sizeof(zend_class_constant), 1);
   } else {
      c = zend_arena_alloc(&CG(arena), sizeof(zend_class_constant));
   }
   ZVAL_COPY_VALUE(&c->value, value);
   Z_ACCESS_FLAGS(c->value) = access_type;
   c->doc_comment = doc_comment;
   c->ce = ce;
   if (Z_TYPE_P(value) == IS_CONSTANT_AST) {
      ce->ce_flags &= ~ZEND_ACC_CONSTANTS_UPDATED;
   }

   if (!zend_hash_add_ptr(&ce->constants_table, name, c)) {
      zend_error_noreturn(ce->type == ZEND_INTERNAL_CLASS ? E_CORE_ERROR : E_COMPILE_ERROR,
         "Cannot redefine class constant %s::%s", ZSTR_VAL(ce->name), ZSTR_VAL(name));
   }

   return SUCCESS;
}
/* }}} */

ZEND_API int zend_declare_class_constant(zend_class_entry *ce, const char *name, size_t name_length, zval *value) /* {{{ */
{
   int ret;

   zend_string *key;

   if (ce->type == ZEND_INTERNAL_CLASS) {
      key = zend_string_init_interned(name, name_length, 1);
   } else {
      key = zend_string_init(name, name_length, 0);
   }
   ret = zend_declare_class_constant_ex(ce, key, value, ZEND_ACC_PUBLIC, NULL);
   zend_string_release(key);
   return ret;
}
/* }}} */

ZEND_API int zend_declare_class_constant_null(zend_class_entry *ce, const char *name, size_t name_length) /* {{{ */
{
   zval constant;

   ZVAL_NULL(&constant);
   return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */

ZEND_API int zend_declare_class_constant_long(zend_class_entry *ce, const char *name, size_t name_length, zend_long value) /* {{{ */
{
   zval constant;

   ZVAL_LONG(&constant, value);
   return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */

ZEND_API int zend_declare_class_constant_bool(zend_class_entry *ce, const char *name, size_t name_length, zend_bool value) /* {{{ */
{
   zval constant;

   ZVAL_BOOL(&constant, value);
   return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */

ZEND_API int zend_declare_class_constant_double(zend_class_entry *ce, const char *name, size_t name_length, double value) /* {{{ */
{
   zval constant;

   ZVAL_DOUBLE(&constant, value);
   return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */

ZEND_API int zend_declare_class_constant_stringl(zend_class_entry *ce, const char *name, size_t name_length, const char *value, size_t value_length) /* {{{ */
{
   zval constant;

   ZVAL_NEW_STR(&constant, zend_string_init(value, value_length, ce->type & ZEND_INTERNAL_CLASS));
   return zend_declare_class_constant(ce, name, name_length, &constant);
}
/* }}} */

ZEND_API int zend_declare_class_constant_string(zend_class_entry *ce, const char *name, size_t name_length, const char *value) /* {{{ */
{
   return zend_declare_class_constant_stringl(ce, name, name_length, value, strlen(value));
}
/* }}} */

ZEND_API void zend_update_property_ex(zend_class_entry *scope, zval *object, zend_string *name, zval *value) /* {{{ */
{
   zval property;
   zend_class_entry *old_scope = EG(fake_scope);

   EG(fake_scope) = scope;

   if (!Z_OBJ_HT_P(object)->write_property) {
      zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be updated", ZSTR_VAL(name), ZSTR_VAL(Z_OBJCE_P(object)->name));
   }
   ZVAL_STR(&property, name);
   Z_OBJ_HT_P(object)->write_property(object, &property, value, NULL);

   EG(fake_scope) = old_scope;
}
/* }}} */

ZEND_API void zend_update_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zval *value) /* {{{ */
{
   zval property;
   zend_class_entry *old_scope = EG(fake_scope);

   EG(fake_scope) = scope;

   if (!Z_OBJ_HT_P(object)->write_property) {
      zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be updated", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
   }
   ZVAL_STRINGL(&property, name, name_length);
   Z_OBJ_HT_P(object)->write_property(object, &property, value, NULL);
   zval_ptr_dtor(&property);

   EG(fake_scope) = old_scope;
}
/* }}} */

ZEND_API void zend_update_property_null(zend_class_entry *scope, zval *object, const char *name, size_t name_length) /* {{{ */
{
   zval tmp;

   ZVAL_NULL(&tmp);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API void zend_unset_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length) /* {{{ */
{
   zval property;
   zend_class_entry *old_scope = EG(fake_scope);

   EG(fake_scope) = scope;

   if (!Z_OBJ_HT_P(object)->unset_property) {
      zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be unset", name, ZSTR_VAL(Z_OBJCE_P(object)->name));
   }
   ZVAL_STRINGL(&property, name, name_length);
   Z_OBJ_HT_P(object)->unset_property(object, &property, 0);
   zval_ptr_dtor(&property);

   EG(fake_scope) = old_scope;
}
/* }}} */

ZEND_API void zend_update_property_bool(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_long value) /* {{{ */
{
   zval tmp;

   ZVAL_BOOL(&tmp, value);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API void zend_update_property_long(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_long value) /* {{{ */
{
   zval tmp;

   ZVAL_LONG(&tmp, value);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API void zend_update_property_double(zend_class_entry *scope, zval *object, const char *name, size_t name_length, double value) /* {{{ */
{
   zval tmp;

   ZVAL_DOUBLE(&tmp, value);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API void zend_update_property_str(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_string *value) /* {{{ */
{
   zval tmp;

   ZVAL_STR(&tmp, value);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API void zend_update_property_string(zend_class_entry *scope, zval *object, const char *name, size_t name_length, const char *value) /* {{{ */
{
   zval tmp;

   ZVAL_STRING(&tmp, value);
   Z_SET_REFCOUNT(tmp, 0);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API void zend_update_property_stringl(zend_class_entry *scope, zval *object, const char *name, size_t name_length, const char *value, size_t value_len) /* {{{ */
{
   zval tmp;

   ZVAL_STRINGL(&tmp, value, value_len);
   Z_SET_REFCOUNT(tmp, 0);
   zend_update_property(scope, object, name, name_length, &tmp);
}
/* }}} */

ZEND_API int zend_update_static_property_ex(zend_class_entry *scope, zend_string *name, zval *value) /* {{{ */
{
   zval *property;
   zend_class_entry *old_scope = EG(fake_scope);

   EG(fake_scope) = scope;
   property = zend_std_get_static_property(scope, name, 0);
   EG(fake_scope) = old_scope;

   if (!property) {
      return FAILURE;
   }

   if (property != value) {
      zval garbage;
      ZVAL_DEREF(property);
      ZVAL_DEREF(value);
      ZVAL_COPY_VALUE(&garbage, property);
      ZVAL_COPY(property, value);
      zval_ptr_dtor(&garbage);
   }
   return SUCCESS;
}
/* }}} */

ZEND_API int zend_update_static_property(zend_class_entry *scope, const char *name, size_t name_length, zval *value) /* {{{ */
{
   zend_string *key = zend_string_init(name, name_length, 0);
   int retval = zend_update_static_property_ex(scope, key, value);
   zend_string_efree(key);
   return retval;
}
/* }}} */

ZEND_API int zend_update_static_property_null(zend_class_entry *scope, const char *name, size_t name_length) /* {{{ */
{
   zval tmp;

   ZVAL_NULL(&tmp);
   return zend_update_static_property(scope, name, name_length, &tmp);
}
/* }}} */

ZEND_API int zend_update_static_property_bool(zend_class_entry *scope, const char *name, size_t name_length, zend_long value) /* {{{ */
{
   zval tmp;

   ZVAL_BOOL(&tmp, value);
   return zend_update_static_property(scope, name, name_length, &tmp);
}
/* }}} */

ZEND_API int zend_update_static_property_long(zend_class_entry *scope, const char *name, size_t name_length, zend_long value) /* {{{ */
{
   zval tmp;

   ZVAL_LONG(&tmp, value);
   return zend_update_static_property(scope, name, name_length, &tmp);
}
/* }}} */

ZEND_API int zend_update_static_property_double(zend_class_entry *scope, const char *name, size_t name_length, double value) /* {{{ */
{
   zval tmp;

   ZVAL_DOUBLE(&tmp, value);
   return zend_update_static_property(scope, name, name_length, &tmp);
}
/* }}} */

ZEND_API int zend_update_static_property_string(zend_class_entry *scope, const char *name, size_t name_length, const char *value) /* {{{ */
{
   zval tmp;

   ZVAL_STRING(&tmp, value);
   Z_SET_REFCOUNT(tmp, 0);
   return zend_update_static_property(scope, name, name_length, &tmp);
}
/* }}} */

ZEND_API int zend_update_static_property_stringl(zend_class_entry *scope, const char *name, size_t name_length, const char *value, size_t value_len) /* {{{ */
{
   zval tmp;

   ZVAL_STRINGL(&tmp, value, value_len);
   Z_SET_REFCOUNT(tmp, 0);
   return zend_update_static_property(scope, name, name_length, &tmp);
}
/* }}} */

ZEND_API zval *zend_read_property_ex(zend_class_entry *scope, zval *object, zend_string *name, zend_bool silent, zval *rv) /* {{{ */
{
   zval property, *value;
   zend_class_entry *old_scope = EG(fake_scope);

   EG(fake_scope) = scope;

   if (!Z_OBJ_HT_P(object)->read_property) {
      zend_error_noreturn(E_CORE_ERROR, "Property %s of class %s cannot be read", ZSTR_VAL(name), ZSTR_VAL(Z_OBJCE_P(object)->name));
   }

   ZVAL_STR(&property, name);
   value = Z_OBJ_HT_P(object)->read_property(object, &property, silent?BP_VAR_IS:BP_VAR_R, NULL, rv);

   EG(fake_scope) = old_scope;
   return value;
}
/* }}} */

ZEND_API zval *zend_read_property(zend_class_entry *scope, zval *object, const char *name, size_t name_length, zend_bool silent, zval *rv) /* {{{ */
{
   zval *value;
   zend_string *str;

   str = zend_string_init(name, name_length, 0);
   value = zend_read_property_ex(scope, object, str, silent, rv);
   zend_string_release_ex(str, 0);
   return value;
}
/* }}} */

ZEND_API zval *zend_read_static_property_ex(zend_class_entry *scope, zend_string *name, zend_bool silent) /* {{{ */
{
   zval *property;
   zend_class_entry *old_scope = EG(fake_scope);

   EG(fake_scope) = scope;
   property = zend_std_get_static_property(scope, name, silent);
   EG(fake_scope) = old_scope;

   return property;
}
/* }}} */

ZEND_API zval *zend_read_static_property(zend_class_entry *scope, const char *name, size_t name_length, zend_bool silent) /* {{{ */
{
   zend_string *key = zend_string_init(name, name_length, 0);
   zval *property = zend_read_static_property_ex(scope, key, silent);
   zend_string_efree(key);
   return property;
}
/* }}} */

ZEND_API void zend_save_error_handling(zend_error_handling *current) /* {{{ */
{
   current->handling = EG(error_handling);
   current->exception = EG(exception_class);
   ZVAL_COPY(&current->user_handler, &EG(user_error_handler));
}
/* }}} */

ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current) /* {{{ */
{
   if (current) {
      zend_save_error_handling(current);
      if (error_handling != EH_NORMAL && Z_TYPE(EG(user_error_handler)) != IS_UNDEF) {
         zval_ptr_dtor(&EG(user_error_handler));
         ZVAL_UNDEF(&EG(user_error_handler));
      }
   }
   EG(error_handling) = error_handling;
   EG(exception_class) = error_handling == EH_THROW ? exception_class : NULL;
}
/* }}} */

static int same_zval(zval *zv1, zval *zv2)  /* {{{ */
{
   if (Z_TYPE_P(zv1) != Z_TYPE_P(zv2)) {
      return 0;
   }
   switch (Z_TYPE_P(zv1)) {
      case IS_UNDEF:
      case IS_NULL:
      case IS_FALSE:
      case IS_TRUE:
         return 1;
      case IS_LONG:
         return Z_LVAL_P(zv1) == Z_LVAL_P(zv2);
      case IS_DOUBLE:
         return Z_LVAL_P(zv1) == Z_LVAL_P(zv2);
      case IS_STRING:
      case IS_ARRAY:
      case IS_OBJECT:
      case IS_RESOURCE:
         return Z_COUNTED_P(zv1) == Z_COUNTED_P(zv2);
      default:
         return 0;
   }
}
/* }}} */

ZEND_API void zend_restore_error_handling(zend_error_handling *saved) /* {{{ */
{
   EG(error_handling) = saved->handling;
   EG(exception_class) = saved->handling == EH_THROW ? saved->exception : NULL;
   if (Z_TYPE(saved->user_handler) != IS_UNDEF
      && !same_zval(&saved->user_handler, &EG(user_error_handler))) {
      zval_ptr_dtor(&EG(user_error_handler));
      ZVAL_COPY_VALUE(&EG(user_error_handler), &saved->user_handler);
   } else if (Z_TYPE(saved->user_handler)) {
      zval_ptr_dtor(&saved->user_handler);
   }
   ZVAL_UNDEF(&saved->user_handler);
}
/* }}} */

ZEND_API zend_string* zend_find_alias_name(zend_class_entry *ce, zend_string *name) /* {{{ */
{
   zend_trait_alias *alias, **alias_ptr;

   if ((alias_ptr = ce->trait_aliases)) {
      alias = *alias_ptr;
      while (alias) {
         if (alias->alias && zend_string_equals_ci(alias->alias, name)) {
            return alias->alias;
         }
         alias_ptr++;
         alias = *alias_ptr;
      }
   }

   return name;
}
/* }}} */

ZEND_API zend_string *zend_resolve_method_name(zend_class_entry *ce, zend_function *f) /* {{{ */
{
   zend_function *func;
   HashTable *function_table;
   zend_string *name;

   if (f->common.type != ZEND_USER_FUNCTION ||
       (f->op_array.refcount && *(f->op_array.refcount) < 2) ||
       !f->common.scope ||
       !f->common.scope->trait_aliases) {
      return f->common.function_name;
   }

   function_table = &ce->function_table;
   ZEND_HASH_FOREACH_STR_KEY_PTR(function_table, name, func) {
      if (func == f) {
         if (!name) {
            return f->common.function_name;
         }
         if (ZSTR_LEN(name) == ZSTR_LEN(f->common.function_name) &&
             !strncasecmp(ZSTR_VAL(name), ZSTR_VAL(f->common.function_name), ZSTR_LEN(f->common.function_name))) {
            return f->common.function_name;
         }
         return zend_find_alias_name(f->common.scope, name);
      }
   } ZEND_HASH_FOREACH_END();
   return f->common.function_name;
}
/* }}} */

ZEND_API const char *zend_get_object_type(const zend_class_entry *ce) /* {{{ */
{
   if(ce->ce_flags & ZEND_ACC_TRAIT) {
      return "trait";
   } else if (ce->ce_flags & ZEND_ACC_INTERFACE) {
      return "interface";
   } else {
      return "class";
   }
}
/* }}} */

ZEND_API zend_bool zend_is_iterable(zval *iterable) /* {{{ */
{
   switch (Z_TYPE_P(iterable)) {
      case IS_ARRAY:
         return 1;
      case IS_OBJECT:
         return instanceof_function(Z_OBJCE_P(iterable), zend_ce_traversable);
      default:
         return 0;
   }
}
/* }}} */

ZEND_API zend_bool zend_is_countable(zval *countable) /* {{{ */
{
   switch (Z_TYPE_P(countable)) {
      case IS_ARRAY:
         return 1;
      case IS_OBJECT:
         if (Z_OBJ_HT_P(countable)->count_elements) {
            return 1;
         }

         return instanceof_function(Z_OBJCE_P(countable), zend_ce_countable);
      default:
         return 0;
   }
}
/* }}} */

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * indent-tabs-mode: t
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=4
 */
